Hazora · Library
UN/NA 1921 · Propyleneimine, stabilized
UN/NA 1921 · ERG 2024 · Guide 131
- UN/NA
- 1921
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1921 (Propyleneimine, stabilized) under Guide 131, titled “Flammable Liquids - Toxic”.
Material name
| Language | Material name | Guides |
|---|---|---|
| EN | Propyleneimine, stabilized | Guide 131P |
| ES | Propilenimina, estabilizada | Guide 131P |
| FR | Propylèneimine, stabilisée | Guide 131P |
1921 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Propyleneimine, stabilized” and to Guide 131P. On a numbered orange panel, 1921 is the lower number (how to read an orange panel).
ERG 2024 markings for 1921
In the ERG 2024 lists, “Propyleneimine, stabilized” has guide number 131P; the P means the material may undergo violent polymerization.
1921 is not highlighted in green (no Table 1 entry).
Entries near 1921
By number (yellow pages): before 1921 come UN/NA 1918 Cumene (Guide 130); UN/NA 1919 Methyl acrylate, stabilized (Guide 129P) and UN/NA 1920 Nonanes (Guide 128); after it, UN/NA 1922 Pyrrolidine (Guide 132); UN/NA 1923 Calcium dithionite (Guide 135) and UN/NA 1928 Methyl magnesium bromide in ethyl ether (Guide 138).
By name (blue pages): “Propyleneimine, stabilized” comes after Propylene oxide (UN/NA 1280, Guide 127P) and Propylene tetramer (UN/NA 2850, Guide 128) and before Propyltrichlorosilane (UN/NA 1816, Guide 155) and Pyrethroid pesticide, liquid, flammable, poisonous (UN/NA 3350, Guide 131).
Guide 131 · Library
Guide 131 covers 105 UN/NA numbers. The 12 around 1921 in the guide’s number order: UN/NA 1251 Methyl vinyl ketone, stabilized; UN/NA 1259 Nickel carbonyl; UN/NA 1545 Allyl isothiocyanate, stabilized; UN/NA 1569 Bromoacetone; UN/NA 1695 Chloroacetone, stabilized; UN/NA 1891 Ethyl bromide; UN/NA 1986 Alcohols, flammable, poisonous, n.o.s.; UN/NA 1988 Aldehydes, flammable, poisonous, n.o.s.; UN/NA 1991 Chloroprene, stabilized; UN/NA 1992 Flammable liquid, poisonous, n.o.s.; UN/NA 2023 Epichlorohydrin; UN/NA 2249 Dichlorodimethyl ether, symmetrical.
Source: ERG 2024 (U.S. DOT PHMSA, Transport Canada, SICT Mexico), for the initial phase of a transportation incident only. Hazora is not an official ERG publication and is not affiliated with or endorsed by these or any other government agencies.