HazMat Tool — substance information

Aerosols, poison, Packing Group III (each not exceeding 1 L capacity)

HMT May 2026

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Source: 49 CFR §172 (2026/05)

UN 1950

n/a

(9A) Passenger aircraft/rail	Forbidden
(9B) Cargo aircraft only	Forbidden

(10A) Location

Stowage category “A” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel.

(10B) Other

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

	Must not be loaded, transported, or stored together in the same vehicle or facility.
	May be loaded, transported, or stored together.
	May be loaded, transported, or stored together only with restrictions.

UN / ID	Proper shipping name	Hazard class
UN 2037	Receptacles, small, containing gas or gas cartridges (flammable) without release device, not refillable and not exceeding 1 L capacity	2.1
UN 2037	Receptacles, small, containing gas or gas cartridges (non-flammable) without release device, not refillable and not exceeding 1 L capacity	2.2
UN 2037	Receptacles, small, containing gas or gas cartridges (oxidizing), without release device, not refillable and not exceeding 1 L capacity	2.2
UN 3499	Capacitor, electric double layer with an energy storage capacity greater than 0.3 Wh	9
UN 1950	Aerosols, corrosive, Packing Group II or III, (each not exceeding 1 L capacity)	2.2
UN 3508	Capacitor, asymmetric with an energy storage capacity greater than 0.3 Wh	9
UN 1950	Aerosols, flammable, n.o.s. (engine starting fluid) (each not exceeding 1 L capacity)	2.1
UN 1950	Aerosols, flammable, (each not exceeding 1 L capacity)	2.1
UN 1950	Aerosols, non-flammable, (each not exceeding 1 L capacity)	2.2