Reference Source

Tetranitromethane · USPS

What is the restriction type for Tetranitromethane · USPS?

For Tetranitromethane, carrier is USPS; restriction type is prohibited; scope is disputed: all mail per pe.usps.com, domestic mail (air and surface) per pe.usps.com; conditions is disputed: Nonmailable Division 5.1 oxidizing substance per pe.usps.com, Hazard class 5.1, UN1510, packing group I; domestic mail air: Prohibited; domestic mail surface: Prohibited per pe.usps.com, recorded from its source on 2026-08-04.

Tetranitromethane.

— pe.usps.com, retrieved 2026-08-04

Item or substance
Tetranitromethane verified
Carrier
USPS our reading
Restriction type
prohibited our reading
Scope
all mail our reading the source states this two ways
Conditions
Nonmailable Division 5.1 oxidizing substance the source states this two ways
Sourcepe.usps.com
Verified
Review by
DatasetWhat can be mailed: USPS hazardous materials, plus item rules for post and couriers

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.

The source states this two ways

The same publisher states this differently in more than one place. Each version is reproduced with the page it came from — deciding between them is yours, not ours.

Scope

pe.usps.com says scope is all mail, as of 2026-08-04.

Tetranitromethane.

https://pe.usps.com/text/pub52/pub52c3_024.htm

pe.usps.com says scope is domestic mail (air and surface), as of 2026-08-10.

Tetranitromethane 5.1 UN1510 I Prohibited Prohibited

https://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf

Conditions

pe.usps.com says conditions is Nonmailable Division 5.1 oxidizing substance, as of 2026-08-04.

Tetranitromethane.

https://pe.usps.com/text/pub52/pub52c3_024.htm

pe.usps.com says conditions is Hazard class 5.1, UN1510, packing group I; domestic mail air: Prohibited; domestic mail surface: Prohibited, as of 2026-08-10.

Tetranitromethane 5.1 UN1510 I Prohibited Prohibited

https://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.