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Adsorbed gas, oxidizing, n.o.s

HMT 15 June 2026

UN / ID: UN 3513
Hazard class: 2.2
Packing group: —
ERG guide: ERG 174
Special provisions: —
Source: 49 CFR §172 (15 June 2026)

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Adsorbed gas, oxidizing, n.o.s

Emergency Response Guide No. 174

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard Class

2.2
Non-toxic, non-flammable gases

This entry is signed with "G". The letter "G" identifies proper shipping names for which one or more technical names of the hazardous material must be entered in parentheses, in association with the basic description. (See §172.203(k)).

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	302c	see 49 CFR §173.302c
(8C) Bulk	None

(9) Quantity Limits

(9A) Passenger aircraft/rail	75 kg
(9B) Cargo aircraft only	150 kg

(10) Vessel stowage

(10A) Location	D Stowage category “D” means the material must be stowed “on deck only” on a cargo vessel or on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers or one passenger per each 3 m of overall vessel length, but the material is prohibited on a passenger vessel in which the limiting number of passengers is exceeded. Source: 49 CFR §172.101(k)
(10B) Other	n/a

Segregation chart for load, transport, and storage

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

Hazard class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	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.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 3518	Adsorbed gas, toxic, oxidizing, corrosive, n.o.s. Inhalation hazard zone A	2.3
UN 3518	Adsorbed gas, toxic, oxidizing, corrosive, n.o.s. Inhalation hazard zone B	2.3
UN 3518	Adsorbed gas, toxic, oxidizing, corrosive, n.o.s. Inhalation hazard zone C	2.3
UN 3518	Adsorbed gas, toxic, oxidizing, corrosive, n.o.s. Inhalation hazard zone D	2.3
UN 3517	Adsorbed gas, toxic, flammable, corrosive, n.o.s. Inhalation hazard zone A	2.3
UN 3517	Adsorbed gas, toxic, flammable, corrosive, n.o.s. Inhalation hazard zone B	2.3
UN 3517	Adsorbed gas, toxic, flammable, corrosive, n.o.s. Inhalation hazard zone C	2.3
UN 3517	Adsorbed gas, toxic, flammable, corrosive, n.o.s. Inhalation hazard zone D	2.3
UN 3515	Adsorbed gas, toxic, oxidizing, n.o.s. Inhalation hazard zone A	2.3
UN 3515	Adsorbed gas, toxic, oxidizing, n.o.s. Inhalation hazard zone B	2.3
UN 3515	Adsorbed gas, toxic, oxidizing, n.o.s. Inhalation hazard zone C	2.3
UN 3515	Adsorbed gas, toxic, oxidizing, n.o.s. Inhalation hazard zone D	2.3
UN 3516	Adsorbed gas, toxic, corrosive, n.o.s. Inhalation hazard zone A	2.3
UN 3516	Adsorbed gas, toxic, corrosive, n.o.s. Inhalation hazard zone B	2.3
UN 3516	Adsorbed gas, toxic, corrosive, n.o.s. Inhalation hazard zone C	2.3

Adsorbed gas, oxidizing, n.o.s

Adsorbed gas, oxidizing, n.o.s

Hazardous Materials Table

(3) Hazard Class

(4) Identification number

(5) Packing Group

(6) Labels

(1) Symbols

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(9) Quantity Limits

(10) Vessel stowage

Segregation chart for load, transport, and storage

Similar substances