HazMat Tool — substance information

Propyleneimine, stabilized

HMT May 2026
UN / ID
UN 1921
Hazard class
3
Packing group
I
ERG guide
ERG 131P
Special provisions
SP N34, SP T14, SP TP2, SP TP13
Source
49 CFR §172 (2026/05)

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Propyleneimine, stabilized


Propyleneimine (or propylene imine) is the organic compound with the formula CH3CH(NH)CH2. It is a secondary amine and the smallest chiral aziridine (ring containing C2N). It is a flammable colorless liquid. Its derivatives, copolymers and oligomers, are of commercial interest. Wikipedia

Substance Data

Source: PubChem (HSDB, 04.12.2019)

CAS-Number

75-55-8

Flash Point

n/a

Boiling Point

n/a

Emergency Response Guide No. 131P

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

3
Flammable liquids

(4) Identification number Help

UN 1921

(5) Packing Group Help

I

(6) Labels Help

Flammable liquids (3) Poisonous liquids PG I Zone A (6.1)

(7) Special Provisions (§172.102) Help

×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.
N34
T14
TP2
TP13

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

(8A) ExceptionsNone
(8B) Non-bulk201see 49 CFR §173.201
(8C) Bulk243see 49 CFR §173.243

(9) Quantity Limits Help

(9A) Passenger aircraft/rail1 L
(9B) Cargo aircraft only30 L

(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.