Records 801–1,200 — What can be mailed: USPS hazardous materials, plus item rules for post and couriers
Records 801 to 1,200 of 3,068. Each links to its own page, which carries the source URL and the quoted line that states the value.
- Copra · USPSCopra 4.2 UN1363 III Prohibited Prohibited
- Cord, detonating, flexible · USPSCord, detonating, flexible 1.1D UN0065 II Prohibited Prohibited
- Cord, detonating, mild effect or Fuse, detonating, mild effect metal clad · USPSCord, detonating, mild effect or Fuse, detonating, mild effect metal clad 1.4D UN0104 II Prohibited Prohibited
- Cord detonating or Fuse detonating metal clad · USPSCord detonating or Fuse detonating metal clad 1.2D UN0102 II Prohibited Prohibited
- Cord, detonating or Fuse, detonating metal clad · USPSCord, detonating or Fuse, detonating metal clad 1.1D UN0290 II Prohibited Prohibited
- Cord, igniter · USPSCord, igniter 1.4G UN0066 II Prohibited Prohibited
- Corrosive liquid, acidic, inorganic, n.o.s. · USPS · ICorrosive liquid, acidic, inorganic, n.o.s. 8 UN3264 I Prohibited Prohibited
- Corrosive liquid, acidic, inorganic, n.o.s. · USPS · II, IIICorrosive liquid, acidic, inorganic, n.o.s. 8 UN3264 II, III 8A 8A
- Corrosive liquid, acidic, organic, n.o.s. · USPS · ICorrosive liquid, acidic, organic, n.o.s. 8 UN3265 I Prohibited Prohibited
- Corrosive liquid, acidic, organic, n.o.s. · USPS · II, IIICorrosive liquid, acidic, organic, n.o.s. 8 UN3265 II, III 8A 8A
- Corrosive liquid, basic, inorganic, n.o.s · USPSCorrosive liquid, basic, inorganic, n.o.s 8 UN3266 II, III 8A 8A
- Corrosive liquid, basic, inorganic, n.o.s. · USPSCorrosive liquid, basic, inorganic, n.o.s. 8 UN3266 I Prohibited Prohibited
- Corrosive liquid, basic, organic, n.o.s. · USPS · ICorrosive liquid, basic, organic, n.o.s. 8 UN3267 I Prohibited Prohibited
- Corrosive liquid, basic, organic, n.o.s. · USPS · II, IIICorrosive liquid, basic, organic, n.o.s. 8 UN3267 II, III 8A 8A
- Corrosive liquid mixtures qualifying as Limited Quantity — domestic · USPSDomestic Mail: Corrosive materials may be mailable if they meet Limited Quantity requirements for air or surface transportation
- Corrosive liquids, flammable, n.o.s. · USPSCorrosive liquids, flammable, n.o.s. 8 UN2920 I, II Prohibited Prohibited
- Corrosive liquids, n.o.s. · USPS · ICorrosive liquids, n.o.s. 8 UN1760 I Prohibited Prohibited
- Corrosive liquids, n.o.s. · USPS · II, IIICorrosive liquids, n.o.s. 8 UN1760 II, III 8A 8A
- Corrosive liquids, oxidizing, n.o.s. · USPSCorrosive liquids, oxidizing, n.o.s. 8 UN3093 I, II Prohibited Prohibited
- Corrosive liquids, self-heating, n.o.s. · USPS · ICorrosive liquids, self-heating, n.o.s. 8 UN3301 I Prohibited Prohibited
- Corrosive liquids, self-heating, n.o.s. · USPS · IICorrosive liquids, self-heating, n.o.s. 8 UN3301 II 8A 8A
- Corrosive liquids, toxic, n.o.s. · USPS · I, IICorrosive liquids, toxic, n.o.s. 8 UN2922 I, II Prohibited Prohibited
- Corrosive liquids, toxic, n.o.s. · USPS · IIICorrosive liquids, toxic, n.o.s. 8 UN2922 III 8A 8A
- Corrosive liquids, water-reactive, n.o.s. · USPSCorrosive liquids, water-reactive, n.o.s. 8 UN3094 I, II Prohibited Prohibited
- Corrosive solid, acidic, inorganic, n.o.s. · USPS · ICorrosive solid, acidic, inorganic, n.o.s. 8 UN3260 I Prohibited Prohibited
- Corrosive solid, acidic, inorganic, n.o.s. · USPS · II, IIICorrosive solid, acidic, inorganic, n.o.s. 8 UN3260 II, III 8A 8A
- Corrosive solid, acidic, organic, n.o.s. · USPS · ICorrosive solid, acidic, organic, n.o.s. 8 UN3261 I Prohibited Prohibited
- Corrosive solid, acidic, organic, n.o.s. · USPS · II, IIICorrosive solid, acidic, organic, n.o.s. 8 UN3261 II, III 8A 8A
- Corrosive solid, basic, inorganic, n.o.s. · USPS · ICorrosive solid, basic, inorganic, n.o.s. 8 UN3262 I Prohibited Prohibited
- Corrosive solid, basic, inorganic, n.o.s. · USPS · II, IIICorrosive solid, basic, inorganic, n.o.s. 8 UN3262 II, III 8A 8A
- Corrosive solid, basic, organic, n.o.s. · USPS · ICorrosive solid, basic, organic, n.o.s. 8 UN3263 I Prohibited Prohibited
- Corrosive solid, basic, organic, n.o.s. · USPS · II, IIICorrosive solid, basic, organic, n.o.s. 8 UN3263 II, III 8A 8A
- Corrosive solids, flammable, n.o.s. · USPSCorrosive solids, flammable, n.o.s. 8 UN2921 I, II Prohibited Prohibited
- Corrosive solids, n.o.s. · USPS · ICorrosive solids, n.o.s. 8 UN1759 I Prohibited Prohibited
- Corrosive solids, n.o.s. · USPS · II, IIICorrosive solids, n.o.s. 8 UN1759 II, III 8A 8A
- Corrosive solids, oxidizing, n.o.s. · USPSCorrosive solids, oxidizing, n.o.s. 8 UN3084 I, II Prohibited Prohibited
- Corrosive solids, self-heating, n.o.s. · USPSCorrosive solids, self-heating, n.o.s. 8 UN3095 I, II Prohibited Prohibited
- Corrosive solids, toxic, n.o.s. · USPS · I, IICorrosive solids, toxic, n.o.s. 8 UN2923 I, II Prohibited Prohibited
- Corrosive solids, toxic, n.o.s. · USPS · IIICorrosive solids, toxic, n.o.s. 8 UN2923 III 8A 8A
- Corrosive solids, water-reactive, n.o.s. · USPSCorrosive solids, water-reactive, n.o.s. 8 UN3096 I, II Prohibited Prohibited
- Corrosive substances · Royal Mail Wholesale (Access customers)Substances which can cause severe damage to living tissue, other freight or transport by its chemical action are prohibited including aluminium chloride, caustic soda, corrosive cl
- Corrosives · Royal Mail / Post OfficeCorrosives (including aluminium chloride, caustic soda, corrosive cleaning fluid, dyes, acids, corrosive paint and rust removers, mercury and gallium metal) International – not all
- Corrosives (Hazard Class 8) — international mail · USPSInternational Mail: All corrosives are prohibited.
- Cosmetics (fragrances, makeup, hair and skin preparations) · International mail to the United States (UPU list)Cosmetics Baby Products; Bath Preparations; Eye Makeup Products; Fragrance Preparations (perfumes; colognes)
- Cotton · USPSCotton 9 NA1365 n/a Prohibited Prohibited
- Cotton waste, oily · USPSCotton waste, oily 4.2 UN1364 III Prohibited Prohibited
- Cotton, wet · USPSCotton, wet 4.2 UN1365 III Prohibited Prohibited
- Coumarin derivative pesticides, liquid, flammable, toxic, flashpoint less than 23° C · USPSCoumarin derivative pesticides, liquid, flammable, toxic, flashpoint less than 23° C 3 UN3024 I, II Prohibited Prohibited
- Coumarin derivative pesticides, liquid, toxic · USPS · I, IICoumarin derivative pesticides, liquid, toxic 6.1 UN3026 I, II Prohibited Prohibited
- Coumarin derivative pesticides, liquid, toxic · USPS · IIICoumarin derivative pesticides, liquid, toxic 6.1 UN3026 III 6A 6A
- Coumarin derivative pesticides, solid, toxic · USPS · I, IICoumarin derivative pesticides, solid, toxic 6.1 UN3027 I, II Prohibited Prohibited
- Coumarin derivative pesticides, solid, toxic · USPS · IIICoumarin derivative pesticides, solid, toxic 6.1 UN3027 III 6A 6A
- Counterfeit currency, bank notes and postage stamps · Royal Mail / Post OfficeCounterfeit currency, bank notes and postage stamps (except copies of old denominations, which are now obsolete and worthless except for collectable value and cannot be passed as t
- Counterfeit currency, bank notes and postage stamps · Royal Mail Wholesale (Access customers)Including any false instrument, or copy of a false instrument (within the meaning of section 5 of the Forgery and Counterfeiting Act 1981) except copies of old denominations, which
- Counterfeit goods · DHLCounterfeit goods that breach intellectual property rights
- covered products (cigarettes, smokeless tobacco, ENDS) - general prohibition · USPSThe Postal Service will not accept, forward, or deliver packages it knows, or reasonably believes, to contain nonmailable covered products.
- covered products - seizure and forfeiture · USPSNonmailable covered products deposited in the mail are subject to seizure and forfeiture.
- Cremated Remains · USPSHuman and animal cremated remains in any state (e.g. ashes, keepsakes, and jewelry) are permitted for mailing with restrictions
- Cresols, liquid · USPSCresols, liquid 6.1 UN2076 II Prohibited Prohibited
- Cresols, solid · USPSCresols, solid 6.1 UN3455 II Prohibited Prohibited
- Cresylic acid · USPSCresylic acid 6.1 UN2022 II Prohibited Prohibited
- Crotonaldehyde or Crotonaldehyde, stabilized · USPSCrotonaldehyde or Crotonaldehyde, stabilized 6.1 UN1143 I Prohibited Prohibited
- Crotonic acid, liquid · USPSCrotonic acid, liquid 8 UN3472 III 8A 8A
- Crotonic acid, solid · USPSCrotonic acid, solid 8 UN2823 III 8A 8A
- Crotonylene · USPSCrotonylene 3 UN1144 I Prohibited 3A
- Cultural goods (works of art, antiques, collectors' items) · International mail to the United Kingdom (UPU list)Licences may be required on works of art such as paintings; scultures; statues; antiques and collectors items
- Cupriethylenediamine solution · USPS · IICupriethylenediamine solution 8 UN1761 II Prohibited Prohibited
- Cupriethylenediamine solution · USPS · IIICupriethylenediamine solution 8 UN1761 III 8A 8A
- Cutters, cable, explosive · USPSCutters, cable, explosive 1.4S UN0070 II Prohibited Prohibited
- Cyanide solutions, n.o.s. · USPS · I, IICyanide solutions, n.o.s. 6.1 UN1935 I, II Prohibited Prohibited
- Cyanide solutions, n.o.s. · USPS · IIICyanide solutions, n.o.s. 6.1 UN1935 III 6A 6A
- Cyanides, inorganic, solid, n.o.s. · USPS · I, IICyanides, inorganic, solid, n.o.s. 6.1 UN1588 I, II Prohibited Prohibited
- Cyanides, inorganic, solid, n.o.s. · USPS · IIICyanides, inorganic, solid, n.o.s. 6.1 UN1588 III 6A 6A
- Cyanogen · USPSCyanogen 2.3 UN1026 n/a Prohibited Prohibited
- Cyanogen bromide · USPSCyanogen bromide 6.1 UN1889 I Prohibited Prohibited
- Cyanogen chloride, stabilized · USPSCyanogen chloride, stabilized 2.3 UN1589 n/a Prohibited Prohibited
- Cyanuric chloride · USPSCyanuric chloride 8 UN2670 II Prohibited Prohibited
- Cyanuric triazide · USPSCyanuric triazide Forbidden Prohibited Prohibited Prohibited Prohibited
- Cyclobutane · USPSCyclobutane 2.1 UN2601 n/a Prohibited 2A
- Cyclobutyl chloroformate · USPSCyclobutyl chloroformate 6.1 UN2744 II Prohibited Prohibited
- Cycloheptane · USPSCycloheptane 3 UN2241 II Prohibited 3A
- Cycloheptatriene · USPSCycloheptatriene 3 UN2603 II Prohibited Prohibited
- Cycloheptene · USPSCycloheptene 3 UN2242 II Prohibited 3A
- Cyclohexane · USPSCyclohexane 3 UN1145 II Prohibited 3A
- Cyclohexanone · USPSCyclohexanone 3 UN1915 III Prohibited 3A
- Cyclohexene · USPSCyclohexene 3 UN2256 II Prohibited 3A
- Cyclohexenyltrichlorosilane · USPSCyclohexenyltrichlorosilane 8 UN1762 II Prohibited Prohibited
- Cyclohexyl acetate · USPSCyclohexyl acetate 3 UN2243 III Prohibited 3A
- Cyclohexyl isocyanate · USPSCyclohexyl isocyanate 6.1 UN2488 I Prohibited Prohibited
- Cyclohexyl mercaptan · USPSCyclohexyl mercaptan 3 UN3054 III Prohibited 3A
- Cyclohexylamine · USPSCyclohexylamine 8 UN2357 II Prohibited Prohibited
- Cyclohexyltrichlorosilane · USPSCyclohexyltrichlorosilane 8 UN1763 II Prohibited Prohibited
- Cyclooctadienes · USPSCyclooctadienes 3 UN2520 III Prohibited 3A
- Cyclooctatetraene · USPSCyclooctatetraene 3 UN2358 II Prohibited 3A
- Cyclopentane · USPSCyclopentane 3 UN1146 II Prohibited 3A
- Cyclopentanol · USPSCyclopentanol 3 UN2244 III Prohibited 3A
- Cyclopentanone · USPSCyclopentanone 3 UN2245 III Prohibited 3A
- Cyclopentene · USPSCyclopentene 3 UN2246 II Prohibited 3A
- Cyclopropane · USPSCyclopropane 2.1 UN1027 n/a Prohibited 2A
- Cyclotetramethylene tetranitramine (dry or unphlegmatized) (HMX) · USPSCyclotetramethylene tetranitramine (dry or unphlegmatized) (HMX) Forbidden Prohibited Prohibited Prohibited Prohibited
- Cymenes · USPSCymenes 3 UN2046 III Prohibited 3A
- D-i2,4-dichlorobenzoyl peroxide, with more than 75 percent with water · USPSD-i2,4-dichlorobenzoylperoxide,with more than 75 percent with water Forbidden Prohibited Prohibited Prohibited Prohibited
- D-i2,4-dichlorobenzoylperoxide,with more than 75 percent with water · USPSD-i2,4-dichlorobenzoylperoxide,with more than 75 percent with water Forbidden Prohibited Prohibited Prohibited Prohibited
- D-i(tert-butylperoxy) phthalate, with more than 55 percent in solution · USPSD-i(tert-butylperoxy) phthalate, with more than 55 percent in solution Forbidden Prohibited Prohibited Prohibited Prohibited
- Dairy produce, birds' eggs, natural honey and edible products of animal origin · International mail to the United Kingdom (UPU list)Milks and milk product for human consumption; eggos and egg products; apiculture products (eg honey); processed animal protein for human consumption gelatin lard and fats are subje
- Damaged, defective, or recalled lithium batteries · USPSDamaged, Defective, or Recalled Batteries: Damaged, defective, or recalled batteries unless approved by the director, Product Classification
- Dangerous Goods · DHLYes. DHL Express requires pre-approval to ship most Dangerous Goods.
- Dangerous Goods in Machinery or Dangerous Goods in Apparatus · USPSDangerous Goods in Machinery or Dangerous Goods in Apparatus 9 UN3363 n/a Prohibited Prohibited
- Dangerous or hazardous goods · DHLDangerous or hazardous goods, including lithium batteries, perfumes, aftershaves, aerosols, flammable substances, dry ice, biological substances, and UN-classified dangerous goods
- Decaborane · USPSDecaborane 4.1 UN1868 II Prohibited Prohibited
- Decahydronaphthalene · USPSDecahydronaphthalene 3 UN1147 III Prohibited 3A
- Deflagrating metal salts of aromatic nitroderivatives, n.o.s. · USPSDeflagrating metal salts of aromatic nitroderivatives, n.o.s. 1.3C UN0132 II Prohibited Prohibited
- Denatured alcohol · USPSDenatured alcohol 3 NA1987 II, III Prohibited 3A
- Desensitized explosive, liquid, n.o.s. · USPSDesensitized explosive, liquid, n.o.s. 3 UN3379 I Prohibited Prohibited
- Desensitized explosive, solid, n.o.s. · USPSDesensitized explosive, solid, n.o.s. 4.1 UN3380 I Prohibited Prohibited
- Detonator assemblies, non-electric for blasting · USPSDetonator assemblies, non-electric for blasting 1.4B UN0361 II Prohibited Prohibited
- Detonators, electric, for blasting · USPSDetonators, electric, for blasting 1.1B UN0030 II Prohibited Prohibited
- Detonators for ammunition · USPSDetonators for ammunition 1.1B UN0073 II Prohibited Prohibited
- Detonators, non-electric, for blasting · USPSDetonators, non-electric, for blasting 1.1B UN0029 II Prohibited Prohibited
- Deuterium, compressed · USPSDeuterium, compressed 2.1 UN1957 n/a Prohibited 2A
- Di-(1-hydroxytetrazole) (dry) · USPSDi-(1-hydroxytetrazole) (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Di-(1-naphthoyl) peroxide · USPSDi-(1-naphthoyl) peroxide Forbidden Prohibited Prohibited Prohibited Prohibited
- Di-(beta-nitroxyethyl) ammonium nitrate · USPSDi-(beta-nitroxyethyl) ammonium nitrate Forbidden Prohibited Prohibited Prohibited Prohibited
- Di-n-amylamine · USPSDi-n-amylamine 3 UN2841 III Prohibited 3A
- Di-n-butyl peroxydicarbonate, with more than 52 percent in solution · USPSDi-n-butyl peroxydicarbonate, with more than 52 percent in solution Forbidden Prohibited Prohibited Prohibited Prohibited
- Di-n-butylamine · USPSDi-n-butylamine 8 UN2248 II Prohibited Prohibited
- Di-n-propyl ether · USPSDi-n-propyl ether 3 UN2384 II Prohibited 3A
- Diacetone alcohol · USPSDiacetone alcohol 3 UN1148 II, III Prohibited 3A
- Diacetyl peroxide, solid, or with more than 25 percent in solution · USPSDiacetyl peroxide, solid, or with more than 25 percent in solution Forbidden Prohibited Prohibited Prohibited Prohibited
- Diallylamine · USPSDiallylamine 3 UN2359 II Prohibited Prohibited
- Diallylether · USPSDiallylether 3 UN2360 II Prohibited Prohibited
- Diazoaminotetrazole (dry) · USPSDiazoaminotetrazole (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Diazodinitrophenol (dry) · USPSDiazodinitrophenol (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Diazodiphenylmethane · USPSDiazodiphenylmethane Forbidden Prohibited Prohibited Prohibited Prohibited
- Diazonium nitrates (dry) · USPSDiazonium nitrates (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Diazonium perchlorates (dry) · USPSDiazonium perchlorates (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Dibenzyl peroxydicarbonate, with more than 87 percent with water · USPSDibenzyl peroxydicarbonate, with more than 87 percent with water Forbidden Prohibited Prohibited Prohibited Prohibited
- Dibenzyldichlorosilane · USPSDibenzyldichlorosilane 8 UN2434 II 8A 8A
- Diborane · USPSDiborane 2.3 UN1911 n/a Prohibited Prohibited
- Diborane mixtures · USPSDiborane mixtures 2.1 NA1911 n/a Prohibited Prohibited
- Dibromoacetylene · USPSDibromoacetylene Forbidden Prohibited Prohibited Prohibited Prohibited
- Dibromochloropropane · USPSDibromochloropropane 6.1 UN2872 III 6A 6A
- Dibromodifluoromethane, R12B2 · USPSDibromodifluoromethane, R12B2 9 UN1941 III 9C 9C
- Dibromomethane · USPSDibromomethane 6.1 UN2664 III 6A 6A
- Dibutyl ethers · USPSDibutyl ethers 3 UN1149 III Prohibited 3B
- Dibutylaminoethanol · USPSDibutylaminoethanol 6.1 UN2873 III 6A 6A
- Dichloroacetic acid · USPSDichloroacetic acid 8 UN1764 II 8A 8A
- Dichloroacetyl chloride · USPSDichloroacetyl chloride 8 UN1765 II 8A 8A
- Dichloroacetylene · USPSDichloroacetylene Forbidden Prohibited Prohibited Prohibited Prohibited
- Dichloroanilines, liquid · USPSDichloroanilines, liquid 6.1 UN1590 II Prohibited Prohibited
- Dichloroanilines, solid · USPSDichloroanilines, solid 6.1 UN3442 II Prohibited Prohibited
- Dichlorobutene · USPSDichlorobutene 8 NA2920 I Prohibited Prohibited
- Dichlorodifluoromethane or Refrigerant gas R 12 · USPSDichlorodifluoromethane or Refrigerant gas R 12 2.2 UN1028 n/a 2B 2B
- Dichlorodimethyl ether, symmetrical · USPSDichlorodimethyl ether, symmetrical 6.1 UN2249 I Prohibited Prohibited
- Dichlorodisopropyl ether · USPSDichlorodisopropyl ether 6.1 UN2490 II Prohibited Prohibited
- Dichloroethyl sulfide · USPSDichloroethyl sulfide Forbidden Prohibited Prohibited Prohibited Prohibited
- Dichlorofluoromethane or Refrigerant gas R 21 · USPSDichlorofluoromethane or Refrigerant gas R 21 2.2 UN1029 n/a 2B 2B
- Dichloroisocyanuric acid, dry or Dichloroisocyanuric acid salts · USPSDichloroisocyanuric acid, dry or Dichloroisocyanuric acid salts 5.1 UN2465 II 5A 5A
- Dichloromethane · USPSDichloromethane 6.1 UN1593 III 6A 6A
- Dichloropentanes · USPSDichloropentanes 3 UN1152 III Prohibited 3A
- Dichlorophenyl isocyanates · USPSDichlorophenyl isocyanates 6.1 UN2250 II Prohibited Prohibited
- Dichlorophenyltrichlorosilane · USPSDichlorophenyltrichlorosilane 8 UN1766 II Prohibited Prohibited
- Dichloropropenes · USPSDichloropropenes 3 UN2047 II, III Prohibited 3A
- Dichlorosilane · USPSDichlorosilane 2.3 UN2189 n/a Prohibited Prohibited
- Dichlorovinylchloroarsine · USPSDichlorovinylchloroarsine Forbidden Prohibited Prohibited Prohibited Prohibited
- Dicyclohexylamine · USPSDicyclohexylamine 8 UN2565 III 8A 8A
- Dicyclohexylammonium nitrate · USPSDicyclohexylammonium nitrate 4.1 UN2687 III Prohibited 4A
- Dicyclopentadiene · USPSDicyclopentadiene 3 UN2048 III Prohibited 3A
- Didymium nitrate · USPSDidymium nitrate 5.1 UN1465 III 5A 5A
- Diesel fuel (NA1993) · USPSDiesel Fuel (NA1993): A combustible liquid with a typical flashpoint between 110° F (43° C) and 190° F (88° C) and is mailable if it qualifies as a Limited Quantity surface materia
- Diethoxymethane · USPSDiethoxymethane 3 UN2373 II Prohibited 3A
- Diethyl carbonate · USPSDiethyl carbonate 3 UN2366 III Prohibited 3A
- Diethyl ether or Ethyl ether · USPSDiethyl ether or Ethyl ether 3 UN1155 I Prohibited 3A
- Diethyl ketone · USPSDiethyl ketone 3 UN1156 II Prohibited 3A
- Diethyl peroxydicarbonate, with more than 27 percent in solution · USPSDiethyl peroxydicarbonate, with more than 27 percent in solution Forbidden Prohibited Prohibited Prohibited Prohibited
- Diethyl sulfate · USPSDiethyl sulfate 6.1 UN1594 II Prohibited Prohibited
- Diethyl sulfide · USPSDiethyl sulfide 3 UN2375 II Prohibited Prohibited
- Diethylamine · USPSDiethylamine 3 UN1154 II Prohibited Prohibited
- Diethylbenzene · USPSDiethylbenzene 3 UN2049 III Prohibited 3A
- Diethyldichlorosilane · USPSDiethyldichlorosilane 8 UN1767 II Prohibited Prohibited
- Diethylene glycol dinitrate · USPSDiethylene glycol dinitrate Forbidden Prohibited Prohibited Prohibited Prohibited
- Diethylenetriamine · USPSDiethylenetriamine 8 UN2079 II 8A 8A
- Diethylgold bromide · USPSDiethylgold bromide Forbidden Prohibited Prohibited Prohibited Prohibited
- Diethylthiophosphoryl chloride · USPSDiethylthiophosphoryl chloride 8 UN2751 II Prohibited Prohibited
- Difluoromethane or Refrigerant gas R 32 · USPSDifluoromethane or Refrigerant gas R 32 2.1 UN3252 n/a Prohibited 2A
- Difluorophosphoric acid, anhydrous · USPSDifluorophosphoric acid, anhydrous 8 UN1768 II Prohibited Prohibited
- Diiodoacetylene · USPSDiiodoacetylene Forbidden Prohibited Prohibited Prohibited Prohibited
- Diisobutyl ketone · USPSDiisobutyl ketone 3 UN1157 III Prohibited 3A
- Diisobutylamine · USPSDiisobutylamine 3 UN2361 III Prohibited 3A
- Diisobutylene, isomeric compounds · USPSDiisobutylene, isomeric compounds 3 UN2050 II Prohibited 3A
- Diisooctyl acid phosphate · USPSDiisooctyl acid phosphate 8 UN1902 III 8A 8A
- Diisopropyl ether · USPSDiisopropyl ether 3 UN1159 II Prohibited 3A
- Diisopropylamine · USPSDiisopropylamine 3 UN1158 II Prohibited Prohibited
- Diisopropylbenzene hydroperoxide, with more than 72 percent in solution · USPSDiisopropylbenzene hydroperoxide, with more than 72 percent in solution Forbidden Prohibited Prohibited Prohibited Prohibited
- Diketene, stabilized · USPSDiketene, stabilized 6.1 UN2521 I Prohibited Prohibited
- Dimethyl carbonate · USPSDimethyl carbonate 3 UN1161 II Prohibited 3A
- Dimethyl disulfide · USPSDimethyl disulfide 3 UN2381 II Prohibited 3A
- Dimethyl ether · USPSDimethyl ether 2.1 UN1033 n/a Prohibited 2A
- Dimethyl-N-propylamine · USPSDimethyl-N-propylamine 3 UN2266 II Prohibited Prohibited
- Dimethyl sulfate · USPSDimethyl sulfate 6.1 UN1595 I Prohibited Prohibited
- Dimethyl sulfide · USPSDimethyl sulfide 3 UN1164 II Prohibited Prohibited
- Dimethyl thiophosphoryl chloride · USPSDimethyl thiophosphoryl chloride 6.1 UN2267 II Prohibited Prohibited
- Dimethylamine, anhydrous · USPSDimethylamine, anhydrous 2.1 UN1032 n/a Prohibited Prohibited
- Dimethylamine solution · USPSDimethylamine solution 3 UN1160 II Prohibited Prohibited
- Dimethylcarbamoyl chloride · USPSDimethylcarbamoyl chloride 8 UN2262 II 8A 8A
- Dimethylcyclohexanes · USPSDimethylcyclohexanes 3 UN2263 II Prohibited 3A
- Dimethyldichlorosilane · USPSDimethyldichlorosilane 3 UN1162 II Prohibited Prohibited
- Dimethyldiethoxysilane · USPSDimethyldiethoxysilane 3 UN2380 II Prohibited 3A
- Dimethyldioxanes · USPSDimethyldioxanes 3 UN2707 II, III Prohibited 3A
- Dimethylhexane dihydroperoxide (dry) · USPSDimethylhexane dihydroperoxide (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Dimethylhydrazine, symmetrical · USPSDimethylhydrazine, symmetrical 6.1 UN2382 I Prohibited Prohibited
- Dimethylhydrazine, unsymmetrical · USPSDimethylhydrazine, unsymmetrical 6.1 UN1163 I Prohibited Prohibited
- Dinitro-7,8-dimethylglycoluril (dry) · USPSDinitro-7,8-dimethylglycoluril (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Dinitroanilines · USPSDinitroanilines 6.1 UN1596 II Prohibited Prohibited
- Dinitrobenzenes, liquid · USPSDinitrobenzenes, liquid 6.1 UN1597 II Prohibited Prohibited
- Dinitrobenzenes, solid · USPSDinitrobenzenes, solid 6.1 UN3443 II Prohibited Prohibited
- Dinitrogen tetroxide · USPSDinitrogen tetroxide 2.3 UN1067 n/a Prohibited Prohibited
- Dinitroglycoluril or Dingu · USPSDinitroglycoluril or Dingu 1.1D UN0489 II Prohibited Prohibited
- Dinitromethane · USPSDinitromethane Forbidden Prohibited Prohibited Prohibited Prohibited
- Dinitrophenel solutions · USPSDinitrophenel solutions 6.1 UN1599 II Prohibited Prohibited
- Dinitrophenol, dry or wetted with less than 15 percent water, by mass · USPSDinitrophenol, dry or wetted with less than 15 percent water, by mass 1.1D UN0076 II Prohibited Prohibited
- Dinitrophenol, wetted with not less than 15 percent water, by mass · USPSDinitrophenol, wetted with not less than 15 percent water, by mass 4.1 UN1320 I Prohibited Prohibited
- Dinitrophenolates, wetted with not less than 15 percent water, by mass · USPSDinitrophenolates, wetted with not less than 15 percent water, by mass 4.1 UN1321 I Prohibited Prohibited
- Dinitropropylene glycol · USPSDinitropropylene glycol Forbidden Prohibited Prohibited Prohibited Prohibited
- Dinitroresorcinol, dry or wetted with less than 15 percent water, by mass · USPSDinitroresorcinol, dry or wetted with less than 15 percent water, by mass 1.1D UN0078 II Prohibited Prohibited
- Dinitroresorcinol, wetted with not less than 15 percent water, by mass · USPSDinitroresorcinol, wetted with not less than 15 percent water, by mass 4.1 UN1322 I Prohibited Prohibited
- Dinitrosobenzene · USPSDinitrosobenzene 1.3C UN0406 II Prohibited Prohibited
- Dinitrosobenzylamidine and salts of (dry) · USPSDinitrosobenzylamidine and salts of (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
- Dinitrotoluenes, liquid · USPSDinitrotoluenes, liquid 6.1 UN2038 II Prohibited Prohibited
- Dinitrotoluenes, molten · USPSDinitrotoluenes, molten 6.1 UN1600 II Prohibited Prohibited
- Dinitrotoluenes, solid · USPSDinitrotoluenes, solid 6.1 UN3454 II Prohibited Prohibited
- Dintro-o-cresol · USPSDintro-o-cresol 6.1 UN1598 II Prohibited Prohibited
- Dioxane · USPSDioxane 3 UN1165 II Prohibited 3A
- Dioxolane · USPSDioxolane 3 UN1166 II Prohibited 3A
- Dipentene · USPSDipentene 3 UN2052 III Prohibited 3A
- Diphenylamine chloroarsine · USPSDiphenylamine chloroarsine 6.1 UN1698 I Prohibited Prohibited
- Diphenylchloroarsine, liquid · USPSDiphenylchloroarsine, liquid 6.1 UN1699 I Prohibited Prohibited
- Diphenylchloroarsine, solid · USPSDiphenylchloroarsine, solid 6.1 UN3450 I Prohibited Prohibited
- Diphenyldichlorosilane · USPSDiphenyldichlorosilane 8 UN1769 II Prohibited Prohibited
- Diphenylmethyl bromide · USPSDiphenylmethyl bromide 8 UN1770 II 8A 8A
- Dipicryl sulfide, dry or wetted with less than 10 percent water, by mass · USPSDipicryl sulfide, dry or wetted with less than 10 percent water, by mass 1.1D UN0401 II Prohibited Prohibited
- Dipicryl sulfide, wetted with not less than 10 percent water, by mass · USPSDipicryl sulfide, wetted with not less than 10 percent water, by mass 4.1 UN2852 I Prohibited Prohibited
- Dipropionyl peroxide, with more than 28 percent in solution · USPSDipropionyl peroxide, with more than 28 percent in solution Forbidden Prohibited Prohibited Prohibited Prohibited
- Dipropyl ketone · USPSDipropyl ketone 3 UN2710 III Prohibited 3A
- Dipropylamine · USPSDipropylamine 3 UN2383 II Prohibited Prohibited
- Disinfectants, liquid, corrosive, n.o.s. · USPS · IDisinfectants, liquid, corrosive, n.o.s. 8 UN1903 I Prohibited Prohibited
- Disinfectants, liquid, corrosive, n.o.s. · USPS · II, IIIDisinfectants, liquid, corrosive, n.o.s. 8 UN1903 II, III 8A 8A
- Disinfectants, liquid, toxic, n.o.s. · USPS · I, IIDisinfectants, liquid, toxic, n.o.s. 6.1 UN3142 I, II Prohibited Prohibited
- Disinfectants, liquid, toxic, n.o.s. · USPS · IIIDisinfectants, liquid, toxic, n.o.s. 6.1 UN3142 III 6A 6A
- Disinfectants, solid, toxic, n.o.s. · USPS · IIDisinfectants, solid, toxic, n.o.s. 6.1 UN1601 II Prohibited Prohibited
- Disinfectants, solid, toxic, n.o.s. · USPS · IIIDisinfectants, solid, toxic, n.o.s. 6.1 UN1601 III 6A 6A
- Disodium trioxosilicate · USPSDisodium trioxosilicate 8 UN3253 III 8A 8A
- Divinyl ether, stabilized · USPSDivinyl ether, stabilized 3 UN1167 I Prohibited Prohibited
- Division 1.1 Explosives (e.g., mines and nitroglycerine) · FedExDivision 1.1 Explosives (e.g., mines and nitroglycerine)
- Division 1.2 Explosives (e.g., rockets and warheads) · FedExDivision 1.2 Explosives (e.g., rockets and warheads)
- Division 1.3 Explosives (e.g., smoke signals, projectiles and commercial fireworks) · FedExDivision 1.3 Explosives (e.g., smoke signals, projectiles and commercial fireworks)
- Division 1.5 Explosives (e.g., blasting agents) · FedExDivision 1.5 Explosives (e.g., blasting agents)
- Division 1.6 Explosives · FedExDivision 1.6 Explosives
- Division 2.1 Flammable Gas · FedExDivision 2.1 Flammable Gas
- Division 2.1 Flammable Gases — domestic air · USPSDivision 2.1 (flammable gases) and Division 2.3 (toxic gases) are prohibited.
- Division 2.1 Flammable Gases — domestic surface · USPSDivision 2.1 (flammable gases) and Division 2.2 (nonflammable gases) are generally permitted if the material can qualify as a Limited Quantity surface material and meet the quantit
- Division 2.2 Non-Flammable, Non-Toxic Gas · FedExDivision 2.2 Non-Flammable, Non-Toxic Gas
- Division 2.2 Nonflammable Gases — domestic air · USPSDivision 2.2 (nonflammable gases) are generally permitted if the material can qualify as an ID8000 material
- Division 2.3 Toxic Gas · FedExDivision 2.3 Toxic Gas
- Division 2.3 Toxic Gases — domestic air · USPSDivision 2.1 (flammable gases) and Division 2.3 (toxic gases) are prohibited.
- Division 2.3 Toxic Gases — domestic surface · USPSDivision 2.3 (toxic gases) are prohibited.
- Division 4.1 Flammable Solids · FedExDivision 4.1 Flammable Solids
- Division 4.2 Spontaneously Combustible Flammable Solids · FedExDivision 4.2 Spontaneously Combustible Flammable Solids
- Division 4.3 Dangerous When Wet Flammable Solids · FedExDivision 4.3 Dangerous When Wet Flammable Solids
- Division 5.1 Oxidizers · FedExDivision 5.1 Oxidizers
- Division 5.2 Organic Peroxides · FedExDivision 5.2 Organic Peroxides
- Division 6.1 toxic substances — international mail · USPSInternational Mail: Division 6.1 toxic substances or poisons and irritating materials are prohibited.
- Division 6.1 toxic substances qualifying as Limited Quantity/consumer commodity · USPSDomestic Mail via Air or Surface Transportation: Division 6.1 toxic substance or poison that can qualify as a Limited Quantity/consumer commodity material is permitted when package
- Division 6.1 Toxic Substances (solid or liquid) · FedExDivision 6.1 Toxic Substances (solid or liquid)
- Division 6.2 Infectious Substances · FedExDivision 6.2 Infectious Substances
- DNA samples (saliva swabs and samples) · Royal Mail / ParcelforceDNA Samples (limited to saliva swabs and samples) Packaging guidelines: Can only be returned in supplier provided packaging,
- Dodecyltrichlorosilane · USPSDodecyltrichlorosilane 8 UN1771 II Prohibited Prohibited
- Domestic commercial HAZMAT packages · USPSNoncompliance Fee – will apply to domestic commercial HAZMAT packages containing incorrect or mismatched STC, Service Icon, Barcode Banner Text, or DOT markings. Although previousl
- Domestic retail and commercial packages containing HAZMAT · USPSHandling Fee – will apply to all domestic retail and commercial packages containing HAZMAT. The fee will be charged at the time of mailing and applied to Priority Mail Express (PME
- drug paraphernalia · USPSMailing drug paraphernalia is illegal under the Controlled Substances Act. Any article deemed unlawful under the Controlled Substances Act is prohibited from mailing
- Dry ice · Royal Mail / Post OfficeDry ice (for example UN1845 when used as a coolant for UN3373 or for other perishable items) International – not allowed in the mail UK – not allowed in the mail
- Dry ice · Royal Mail Wholesale (Access customers)Dry ice For example UN1845 when used as a coolant for UN3373 or for other perishable items.
- Dry Ice · USPSPackages containing dry ice must be packed in containers that permit the release of carbon dioxide gas.
- Dry Ice (carbon dioxide solid) · USPS349.32 Mailability Packages containing dry ice must be vented to allow the release of carbon dioxide gas and to comply with 49 CFR § 173.217 and 175.10(a)(10). Mailpieces containin
- Dry ice — domestic air · USPSDomestic Mail via Air Transportation: Dry ice is permitted in quantities of up to 5 pounds per mailpiece.
- Dry ice — domestic surface · USPSDomestic Mail via Surface Transportation: Dry ice is permitted and must comply with Packaging Instruction 9A
- Dry ice — international mail · USPSInternational Mail: Dry ice is prohibited.
- Dyes, liquid, corrosive, n.o.s. or Dye intermediates, liquid, corrosive, n.o.s. · USPS · IDyes, liquid, corrosive, n.o.s. or Dye intermediates, liquid, corrosive, n.o.s. 8 UN2801 I Prohibited Prohibited
- Dyes, liquid, corrosive, n.o.s. or Dye intermediates, liquid, corrosive, n.o.s. · USPS · II, IIIDyes, liquid, corrosive, n.o.s. or Dye intermediates, liquid, corrosive, n.o.s. 8 UN2801 II, III 8A 8A
- Dyes, liquid, toxic, n.o.s. or Dye intermediates, liquid, toxic, n.o.s. · USPS · IIDyes, liquid, toxic, n.o.s. or Dye intermediates, liquid, toxic, n.o.s. 6.1 UN1602 II Prohibited Prohibited
- Dyes, liquid, toxic, n.o.s. or Dye intermediates, liquid, toxic, n.o.s. · USPS · IIIDyes, liquid, toxic, n.o.s. or Dye intermediates, liquid, toxic, n.o.s. 6.1 UN1602 III 6A 6A
- Dyes, solid, corrosive, n.o.s. or Dye intermediates, solid, corrosive, n.o.s. · USPS · IDyes, solid, corrosive, n.o.s. or Dye intermediates, solid, corrosive, n.o.s. 8 UN3147 I Prohibited Prohibited
- Dyes, solid, corrosive, n.o.s. or Dye intermediates, solid, corrosive, n.o.s. · USPS · II, IIIDyes, solid, corrosive, n.o.s. or Dye intermediates, solid, corrosive, n.o.s. 8 UN3147 II, III 8A 8A
- Dyes, solid, toxic, n.o.s. or Dye intermediates, solid, toxic, n.o.s. · USPS · I, IIDyes, solid, toxic, n.o.s. or Dye intermediates, solid, toxic, n.o.s. 6.1 UN3143 I, II Prohibited Prohibited
- Dyes, solid, toxic, n.o.s. or Dye intermediates, solid, toxic, n.o.s. · USPS · IIIDyes, solid, toxic, n.o.s. or Dye intermediates, solid, toxic, n.o.s. 6.1 UN3143 III 6A 6A
- Dyes (UN2801, UN3147) · USPSDyes (UN2801, UN3147): Acceptable if the dyes qualify as Limited Quantity air or Limited Quantity surface material
- E-cigarettes (inbound to the UK) · International mail to the United Kingdom (UPU list)Each package must contain no more than two assembled e-cigarettes and should be securely packed to prevent movement in the outer packaging.
- E-cigarettes (vapes) with nicotine concentrates of 5% or less · Royal Mail / ParcelforceE-Cigs - Electronic cigarettes - (Vape) containing nicotine concentrates of 5% or less can be sent with Royal Mail. This is because the e-liquid at this percentage is not classifie
- Electronic cigarettes and accessories · DHLElectronic cigarettes and accessories
- Electronic devices connected to lithium batteries · Royal Mail / ParcelforcePackaging guidelines: Each parcel must contain no more than four cells or two batteries installed in a device. For lithium ion/polymer batteries the Watt-hour rating must not excee
- Electronic devices sent with lithium batteries (battery not connected) · Royal Mail / ParcelforceThe maximum number of lithium batteries allowed in each parcel is the minimum number required to power the device plus two spares. For lithium ion/polymer batteries the Watt-hour r
- Electronic items containing any batteries exceeding 100Wh · Royal Mail Wholesale (Access customers)Electronic items containing any batteries exceeding 100Wh Including some high performance laptops and power tools.
- Electronic Nicotine Delivery System (ENDS) · USPSElectronic Nicotine Delivery System (ENDS): Any electronic device that delivers nicotine, flavor, or any other substance through an aerosolized solution.
- Electronic tubes charged with gas · USPSElectronic Tubes: These items are mailable without restriction if the volume does not exceed 30 cubic inches and the tube is charged with gas at 35 psig or less.
- Elemental mercury, mercury-containing material, or used mercury-containing device · UPSUPS’s acceptance for transportation of any elemental mercury, mercury-containing material, or used mercury-containing device (including, but not limited to, medical devices, spent
- Elevated temperature solid, n.o.s., at or above 240° C, see 49 CFR 173.247(h)(4) · USPSElevated temperature solid, n.o.s., at or above 240° C, see 49 CFR 173.247(h)(4) 9 UN3258 III Prohibited Prohibited
- Empty compressed gas containers — unused/new · USPSEmpty, unused (i.e., new) containers are mailable without restriction.
- Empty compressed gas containers — used · USPSEmpty, used containers are mailable under the same restrictions as when filled (because residual amounts of the hazardous material might remain present).
- Endangered species, dead (stuffed specimens, ivory, caviar, bones, furs, plumage) · International mail to the United Kingdom (UPU list)Endangered species - dead (eg stuffed) - this includes parts or derivatives of these specifies such as blood; vory; caviar; bones; teetch; furs; timber; plumage and leather goods.
- Engines, internal combustion, flammable gas powered · USPSEngines, internal combustion, flammable gas powered 9 UN3166 n/a Prohibited Prohibited
- Engines, internal combustion, flammable liquid powered · USPSEngines, internal combustion, flammable liquid powered 9 UN3166 n/a Prohibited Prohibited
- Environmental waste · Royal Mail / Post OfficeEnvironmental waste (including used batteries and used engine oil) International – not allowed in the mail UK – not allowed in the mail
- Environmental waste · Royal Mail Wholesale (Access customers)Environmental waste Including used batteries and used engine oil.
- Environmentally hazardous substances · Royal Mail / ParcelforcePackaging Guidelines: Samples must not exceed 5litres/5kgs. Pack in a leak proof or sift proof inner and protect by cushioning material in rigid outer packaging.
- Environmentally hazardous substances · Royal Mail / Post OfficeEnvironmentally hazardous substances International – not allowed in the mail UK – allowed in the mail, see restrictions and packaging guidelines below: Samples must not exceed 5lit
- Environmentally hazardous substances, liquid, n.o.s. · USPSEnvironmentally hazardous substances, liquid, n.o.s. 9 UN3082 III 9C 9C
- Environmentally hazardous substances, solid, n.o.s. · USPSEnvironmentally hazardous substances, solid, n.o.s. 9 UN3077 III 9C 9C
- Epibromohydrin · USPSEpibromohydrin 6.1 UN2558 I Prohibited Prohibited
- Epichlorohydrin · USPSEpichlorohydrin 6.1 UN2023 II Prohibited Prohibited
- Esters, n.o.s. · USPSEsters, n.o.s. 3 UN3272 II, III Prohibited 3A
- Ethane · USPSEthane 2.1 UN1035 n/a Prohibited 2A
- Ethane-Propane mixture, refrigerated liquid · USPSEthane-Propane mixture, refrigerated liquid 2.1 NA1961 n/a Prohibited Prohibited
- Ethane, refrigerated liquid · USPSEthane, refrigerated liquid 2.1 UN1961 n/a Prohibited Prohibited
- Ethanol amine dinitrate · USPSEthanol amine dinitrate Forbidden Prohibited Prohibited Prohibited Prohibited
- Ethanol-based flammable liquids or solids · USPSFlammable liquids or solids containing ethanol (ethyl alcohol) are mailable by domestic air only with prior written authorization.
- Ethanolamine or Ethanolamine solutions · USPSEthanolamine or Ethanolamine solutions 8 UN2491 III 8A 8A
- Ethers, n.o.s. · USPSEthers, n.o.s. 3 UN3271 II, III Prohibited 3A
- Ethyl 2-chloropropionate · USPSEthyl 2-chloropropionate 3 UN2935 III Prohibited 3A
- Ethyl acetate · USPSEthyl acetate 3 UN1173 II Prohibited 3A
- Ethyl acrylate, stabilized · USPSEthyl acrylate, stabilized 3 UN1917 II Prohibited 3A
- Ethyl amyl ketone · USPSEthyl amyl ketone 3 UN2271 III Prohibited 3A
- Ethyl borate · USPSEthyl borate 3 UN1176 II Prohibited 3A
- Ethyl bromide · USPSEthyl bromide 3 UN1891 II, III Prohibited 3A
- Ethyl bromoacetate · USPSEthyl bromoacetate 6.1 UN1603 II Prohibited Prohibited
- Ethyl butyl ether · USPSEthyl butyl ether 3 UN1179 II Prohibited 3A
- Ethyl butyrate · USPSEthyl butyrate 3 UN1180 III Prohibited 3A
- Ethyl chloride · USPSEthyl chloride 2.1 UN1037 n/a Prohibited Prohibited
- Ethyl chloroacetate · USPSEthyl chloroacetate 6.1 UN1181 II Prohibited Prohibited
- Ethyl chloroformate · USPSEthyl chloroformate 6.1 UN1182 I Prohibited Prohibited
- Ethyl chlorothioformate · USPSEthyl chlorothioformate 8 UN2826 II Prohibited Prohibited
- Ethyl crotonate · USPSEthyl crotonate 3 UN1862 II Prohibited 3A
- Ethyl fluoride or Refrigerant gas R 161 · USPSEthyl fluoride or Refrigerant gas R 161 2.1 UN2453 n/a Prohibited 2A
- Ethyl formate · USPSEthyl formate 3 UN1190 II Prohibited 3A
- Ethyl hydroperoxide · USPSEthyl hydroperoxide Forbidden Prohibited Prohibited Prohibited Prohibited
- Ethyl isobutyrate · USPSEthyl isobutyrate 3 UN2385 II Prohibited 3A
- Ethyl isocyanate · USPSEthyl isocyanate 3 UN2481 I Prohibited Prohibited
- Ethyl lactate · USPSEthyl lactate 3 UN1192 III Prohibited 3A
- Ethyl mercaptan · USPSEthyl mercaptan 3 UN2363 I Prohibited Prohibited
- Ethyl methacrylate, stabilized · USPSEthyl methacrylate, stabilized 3 UN2277 II Prohibited 3A
- Ethyl methyl ether · USPSEthyl methyl ether 2.1 UN1039 n/a Prohibited Prohibited
- Ethyl methyl ketone or Methyl ethyl ketone · USPSEthyl methyl ketone or Methyl ethyl ketone 3 UN1193 II Prohibited 3A
- Ethyl nitrate solutions · USPSEthyl nitrate solutions 3 UN1194 I Prohibited Prohibited
- Ethyl orthoformate · USPSEthyl orthoformate 3 UN2524 III Prohibited 3A
- Ethyl oxalate · USPSEthyl oxalate 6.1 UN2525 III 6A 6A
- Ethyl perchlorate · USPSEthyl perchlorate Forbidden Prohibited Prohibited Prohibited Prohibited
- Ethyl phosphonothioic dichloride, anhydrous · USPSEthyl phosphonothioic dichloride, anhydrous 6.1 NA2927 I Prohibited Prohibited
- Ethyl phosphonous dichloride, anhydrous pyrophoric liquid · USPSEthyl phosphonous dichloride, anhydrous pyrophoric liquid 6.1 NA2845 I Prohibited Prohibited
- Ethyl phosphorodichloridate · USPSEthyl phosphorodichloridate 6.1 NA2927 I Prohibited Prohibited
- Ethyl propionate · USPSEthyl propionate 3 UN1195 II Prohibited 3A
- Ethyl propyl ether · USPSEthyl propyl ether 3 UN2615 II Prohibited 3A
- Ethylacetylene, stabilized · USPSEthylacetylene, stabilized 2.1 UN2452 n/a Prohibited Prohibited
- Ethylamine · USPSEthylamine 2.1 UN1036 n/a Prohibited Prohibited
- Ethylbenzene · USPSEthylbenzene 3 UN1175 II Prohibited 3A
- Ethyldichloroarsine · USPSEthyldichloroarsine 6.1 UN1892 I Prohibited Prohibited
- Ethyldichlorosilane · USPSEthyldichlorosilane 4.3 UN1183 I Prohibited Prohibited
- Ethylene · USPSEthylene 2.1 UN1962 n/a Prohibited 2A
- Ethylene chlorohydrin · USPSEthylene chlorohydrin 6.1 UN1135 I Prohibited Prohibited
- Ethylene diamine diperchlorate · USPSEthylene diamine diperchlorate Forbidden Prohibited Prohibited Prohibited Prohibited
- Ethylene dibromide · USPSEthylene dibromide 6.1 UN1605 I Prohibited Prohibited
- Ethylene dichloride · USPSEthylene dichloride 3 UN1184 II Prohibited Prohibited
- Ethylene glycol diethyl ether · USPSEthylene glycol diethyl ether 3 UN1153 III Prohibited 3A
- Ethylene glycol dinitrate · USPSEthylene glycol dinitrate Forbidden Prohibited Prohibited Prohibited Prohibited
- Ethylene glycol monoethyl ether · USPSEthylene glycol monoethyl ether 3 UN1171 III Prohibited 3A
- Ethylene glycol monoethyl ether acetate · USPSEthylene glycol monoethyl ether acetate 3 UN1172 III Prohibited 3A
- Ethylene glycol monomethyl ether · USPSEthylene glycol monomethyl ether 3 UN1188 III Prohibited 3A
- Ethylene glycol monomethyl ether acetate · USPSEthylene glycol monomethyl ether acetate 3 UN1189 III Prohibited 3A
- Ethylene, refrigerated liquid (cryogenic liquid) · USPSEthylene, refrigerated liquid (cryogenic liquid) 2.1 UN1038 n/a Prohibited Prohibited
- Ethylenediamine · USPSEthylenediamine 8 UN1604 II 8A 8A
- Ethyleneimine, stabilized · USPSEthyleneimine, stabilized 6.1 UN1185 I Prohibited Prohibited
- Ethylphenyldichlorosilane · USPSEthylphenyldichlorosilane 8 UN2435 II Prohibited Prohibited
- Ethyltrichlorosilane · USPSEthyltrichlorosilane 3 UN1196 II Prohibited Prohibited
- Excessive dry ice — domestic air (over 5 lbs) · USPSExcessive Dry Ice: Dry ice exceeding 5 pounds per mailpiece is prohibited from air transport in domestic mail.
- Exempt human or animal specimens · USPSExempt human or animal specimens as defined in 346.12 (d), are not regulated as hazardous materials but must be packaged to meet mailing standards, including being triple-packaged
- Explosive, blasting, type A · USPSExplosive, blasting, type A 1.1D UN0081 II Prohibited Prohibited
- Explosive, blasting, type B · USPSExplosive, blasting, type B 1.1D UN0082 II Prohibited Prohibited
- Explosive, blasting, type B or Agent blasting, Type B · USPSExplosive, blasting, type B or Agent blasting, Type B 1.5D UN0331 II Prohibited Prohibited
- Explosive, blasting, type C · USPSExplosive, blasting, type C 1.1D UN0083 II Prohibited Prohibited
- Explosive, blasting, type D · USPSExplosive, blasting, type D 1.1D UN0084 II Prohibited Prohibited
- Explosive, blasting, type E · USPSExplosive, blasting, type E 1.1D UN0241 II Prohibited Prohibited
- Explosive, blasting, type E or Agent blasting, Type E · USPSExplosive, blasting, type E or Agent blasting, Type E 1.5D UN0332 II Prohibited Prohibited
- Explosive, forbidden. See 49 CFR 173.54 · USPSExplosive, forbidden. See 49 CFR 173.54 Forbidden Prohibited Prohibited Prohibited Prohibited
- Explosives · Royal Mail / Post OfficeExplosives (including fireworks, flares, blasting caps, party poppers, Christmas cracker snaps) Any chemical compound, mixture or device capable of producing an explosive or pyrote
- Explosives · Royal Mail Wholesale (Access customers)Any chemical compound, mixture or device capable of producing an explosive or pyrotechnic effect with substantial instantaneous release of heat and gas is prohibited e.g. ammunitio
- Explosives · USPSan't send these items in the U.S. mail: Air Bags Ammunition Explosives Gasoline Liquid Mercury Marijuana (medical or otherwise); hemp/CBD is allowed, but restricted Domestically Re
- Explosives (Hazard Class 1) — domestic air · USPSDomestic Mail via Air Transportation: All explosives are prohibited.
- Explosives (Hazard Class 1) — domestic surface · USPSDomestic Mail via Surface Transportation: Generally, explosives are prohibited, with exceptions for Division 1.4S toy propellant devices and safety fuses that have been approved by
- Explosives (Hazard Class 1) — international mail · USPSInternational Mail : All explosives are prohibited.
- Extracts, liquid, flavor, or aroma · USPSExtracts, liquid, flavor, or aroma 3 UN1197 II, III Prohibited 3A
- Any transaction involving International Traffic in Arms Regulations (ITAR) or other commodities subject to import licenses · FedExAny transaction involving International Traffic in Arms Regulations (ITAR) or other commodities subject to import licenses
- Class 7 Radioactive Material including White I, Yellow II, Yellow III and fissile material · FedExClass 7 Radioactive Material including White I, Yellow II, Yellow III and fissile material
← records 401–800 · All of What can be mailed: USPS hazardous materials, plus item rules for post and couriers · records 1,201 on →