Reference Source

Bicyclo [2,2,1] hepta-2, 5-diene, stabilized or 2,5-Norbornadiene, stabilized · USPS

What is the restriction type for Bicyclo [2,2,1] hepta-2, 5-diene, stabilized or 2,5-Norbornadiene, stabilized · USPS?

For Bicyclo [2,2,1] hepta-2, 5-diene, stabilized or 2,5-Norbornadiene, stabilized, carrier is USPS; restriction type is restricted; scope is domestic mail: surface only (air prohibited); conditions is Hazard class 3, UN2251, packing group II; domestic mail air: Prohibited; domestic mail surface: 3A, recorded from its source on 2026-08-10.

Bicyclo [2,2,1] hepta-2, 5-diene, stabilized or 2,5-Norbornadiene, stabilized 3 UN2251 II Prohibited 3A

— pe.usps.com, retrieved 2026-08-10

Item or substance
Bicyclo [2,2,1] hepta-2, 5-diene, stabilized or 2,5-Norbornadiene, stabilized verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail: surface only (air prohibited) our reading
Conditions
Hazard class 3, UN2251, packing group II; domestic mail air: Prohibited; domestic mail surface: 3A
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.

Source

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