HazMat Tool — substance information

Oxidizing solid, flammable, n.o.s

HMT May 2026

UN / ID: UN 3137
Hazard class: 5.1
Packing group: I
ERG guide: ERG 140
Special provisions: SP 62
Source: 49 CFR §172 (2026/05)

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Oxidizing solid, flammable, n.o.s

Emergency Response Guide No. 140

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

5.1
Oxidizers

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)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

62	Oxygen generators (see §171.8) are not authorized for transportation under this entry. Browse special provision 62

(8) Packing Authorizations (§173.***)

(8A) Exceptions	None
(8B) Non-bulk	214	see 49 CFR §173.214
(8C) Bulk	214	see 49 CFR §173.214

(9) Quantity Limits

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

(10) Vessel stowage

(10A) Location

n/a

see

(10B) Other

13	see 49 CFR §176.84
147	see 49 CFR §176.84
148	see 49 CFR §176.84

Source: 49 CFR §176.84

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 3514	Adsorbed gas, toxic, flammable, n.o.s. Inhalation hazard zone A	2.3
UN 3514	Adsorbed gas, toxic, flammable, n.o.s. Inhalation hazard zone B	2.3
UN 3514	Adsorbed gas, toxic, flammable, n.o.s. Inhalation hazard zone C	2.3
UN 3514	Adsorbed gas, toxic, flammable, n.o.s. Inhalation hazard zone D	2.3
UN 1950	Aerosols, non-flammable, (each not exceeding 1 L capacity)	2.2
UN 3160	Liquefied gas, toxic, flammable, n.o.s. Inhalation Hazard Zone C	2.3
UN 3160	Liquefied gas, toxic, flammable, n.o.s. Inhalation Hazard Zone D	2.3
UN 1950	Aerosols, flammable, (each not exceeding 1 L capacity)	2.1
UN 0400	Bombs with flammable liquid, with bursting charge	1.2J
UN 0399	Bombs with flammable liquid, with bursting charge	1.1J
UN 2623	Firelighters, solid with flammable liquid	4.1
UN 2925	Flammable solids, corrosive, organic, n.o.s.	4.1
UN 2926	Flammable solids, toxic, organic, n.o.s.	4.1
UN 3175	Solids containing flammable liquid, n.o.s.	4.1
UN 3538	Articles containing non-flammable, non-toxic gas, n.o.s.	2.2