HazMat Tool — substance information

2,2-Dimethylpropane

HMT May 2026
UN / ID
UN 2044
Hazard class
2.1
Packing group
ERG guide
ERG 115
Special provisions
Source
49 CFR §172 (2026/05)

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2,2-Dimethylpropane

Substance Data

Source: PubChem (HSDB, 04.12.2019)

CAS-Number

463-82-1

Flash Point

n/a

Boiling Point

n/a

Emergency Response Guide No. 115

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

2.1
Flammable gases

(4) Identification number Help

UN 2044

(5) Packing Group Help

n/a

(6) Labels Help

Flammable gases (2.1) Cargo Aircraft Only (Cargo Aircraft Only)

(7) Special Provisions (§172.102) Help

(8) Packing Authorizations (§173.***) Help

(8A) Exceptions306see 49 CFR §173.306
(8B) Non-bulk304see 49 CFR §173.304
(8C) Bulk314, 315see 49 CFR §173.314, 315

(9) Quantity Limits Help

(9A) Passenger aircraft/railForbidden
(9B) Cargo aircraft only150 kg

(10) Vessel stowage Help

(10A) Location
(10B) Other

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.

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

Similar substances

UN / IDProper shipping nameHazard class
UN 2342Bromomethylpropanes3
UN 2391Iodomethylpropanes3