Reference Source

Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s. · USPS · III

What is the item category for Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s. · USPS · III?

For Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s. · USPS · III, item category is Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s; carrier is USPS; dot packing group is III; restriction type is restricted; scope is domestic mail: surface only (air prohibited), recorded from its source on 2026-08-29.

Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s. 3 UN1228 III Prohibited 3A

pe.usps.com, retrieved 2026-08-29

Item category
Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s. verified
Carrier
USPS our reading
DOT packing group
III verified
Restriction type
restricted our reading
Scope
domestic mail: surface only (air prohibited) our reading
Conditions
Hazard class 3, UN1228, packing group III; domestic mail air: Prohibited; domestic mail surface: 3A
Sourcepe.usps.com
Verified
Review by
DatasetMailing and air-carriage restrictions by item category

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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