Reference Source

1,1-Difluoroethylene or Refrigerant gas R 1132a

For 1,1-Difluoroethylene or Refrigerant gas R 1132a, carrier is USPS; restriction type is restricted; scope is domestic mail: surface only (air prohibited); conditions is Hazard class 2.1, UN1959, packing group n/a; domestic mail air: Prohibited; domestic mail surface: 2A, recorded from its source on 2026-08-10.

Item category
1,1-Difluoroethylene or Refrigerant gas R 1132a verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail: surface only (air prohibited) our reading
Conditions
Hazard class 2.1, UN1959, packing group n/a; domestic mail air: Prohibited; domestic mail surface: 2A verified
Sourcepe.usps.com
Verified
Review by
DatasetPostal shipping 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.

What the source says

1,1-Difluoroethylene or Refrigerant gas R 1132a 2.1 UN1959 n/a Prohibited 2A

pe.usps.com, retrieved 2026-08-10

Source

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