Hazora · Library
UN/NA 2740 · n-Propyl chloroformate
UN/NA 2740 · ERG 2024 · Guide 155
- UN/NA
- 2740
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2740 (n-Propyl chloroformate) under Guide 155, titled “Substances - Toxic and/or Corrosive (Flammable/Water-Sensitive)”.
Material name
2740 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “n-Propyl chloroformate” and to Guide 155. On a numbered orange panel, 2740 is the lower number (how to read an orange panel).
ERG 2024 markings for 2740
2740 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “n-Propyl chloroformate”. Hazora shows those distances in the app, not on this page. Its guide number 155 has no P.
Entries near 2740
By number (yellow pages): before 2740 come UN/NA 2735 Amines, liquid, corrosive, n.o.s. (Guide 153); UN/NA 2738 N-Butylaniline (Guide 153) and UN/NA 2739 Butyric anhydride (Guide 156); after it, UN/NA 2741 Barium hypochlorite, with more than 22% available chlorine (Guide 141); UN/NA 2742 Chloroformates, poisonous, corrosive, flammable, n.o.s. (Guide 155) and UN/NA 2743 n-Butyl chloroformate (Guide 155).
By name (blue pages): “n-Propyl chloroformate” comes after n-Propanol (UN/NA 1274, Guide 129) and n-Propyl acetate (UN/NA 1276, Guide 129) and before n-Propyl isocyanate (UN/NA 2482, Guide 155P) and n-Propyl nitrate (UN/NA 1865, Guide 128).
Guide 155 · Library
Guide 155 covers 44 UN/NA numbers. The 12 around 2740 in the guide’s number order: UN/NA 2486 Isobutyl isocyanate; UN/NA 2487 Phenyl isocyanate; UN/NA 2488 Cyclohexyl isocyanate; UN/NA 2589 Vinyl chloroacetate; UN/NA 2605 Methoxymethyl isocyanate; UN/NA 2606 Methyl orthosilicate; UN/NA 2742 Chloroformates, poisonous, corrosive, flammable, n.o.s.; UN/NA 2743 n-Butyl chloroformate; UN/NA 2744 Cyclobutyl chloroformate; UN/NA 2826 Ethyl chlorothioformate; UN/NA 2985 Chlorosilanes, flammable, corrosive, n.o.s.; UN/NA 2986 Chlorosilanes, corrosive, flammable, n.o.s.
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.