Hazora · Library
UN/NA 2481 · Ethyl isocyanate
UN/NA 2481 · ERG 2024 · Guide 155
- UN/NA
- 2481
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2481 (Ethyl isocyanate) under Guide 155, titled “Substances - Toxic and/or Corrosive (Flammable/Water-Sensitive)”.
Material name
2481 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Ethyl isocyanate” and to Guide 155. On a numbered orange panel, 2481 is the lower number (how to read an orange panel).
ERG 2024 markings for 2481
2481 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Ethyl isocyanate”. Hazora shows those distances in the app, not on this page. Its guide number 155 has no P.
Entries near 2481
By number (yellow pages): before 2481 come UN/NA 2477 Methyl isothiocyanate (Guide 131); UN/NA 2478 Isocyanate solution, flammable, poisonous, n.o.s. (Guide 155) and UN/NA 2480 Methyl isocyanate (Guide 155P); after it, UN/NA 2482 n-Propyl isocyanate (Guide 155P); UN/NA 2483 Isopropyl isocyanate (Guide 155P) and UN/NA 2484 tert-Butyl isocyanate (Guide 155).
By name (blue pages): “Ethyl isocyanate” comes after Ethyl formate (UN/NA 1190, Guide 129) and Ethyl isobutyrate (UN/NA 2385, Guide 129) and before Ethyl lactate (UN/NA 1192, Guide 129) and Ethyl mercaptan (UN/NA 2363, Guide 129).
Other names starting with “Ethyl”: Ethyl crotonate (UN/NA 1862, Guide 130); Ethyl ether (UN/NA 1155, Guide 127); Ethyl fluoride (UN/NA 2453, Guide 115); Ethyl methacrylate, stabilized (UN/NA 2277, Guide 130P); Ethyl methyl ether (UN/NA 1039, Guide 115) and Ethyl methyl ketone (UN/NA 1193, Guide 127).
Guide 155 · Library
Guide 155 covers 44 UN/NA numbers. The 12 around 2481 in the guide’s number order: UN/NA 2285 Isocyanatobenzotrifluorides; UN/NA 2353 Butyryl chloride; UN/NA 2395 Isobutyryl chloride; UN/NA 2407 Isopropyl chloroformate; UN/NA 2478 Isocyanate solution, flammable, poisonous, n.o.s.; UN/NA 2480 Methyl isocyanate; UN/NA 2482 n-Propyl isocyanate; UN/NA 2483 Isopropyl isocyanate; UN/NA 2484 tert-Butyl isocyanate; UN/NA 2485 n-Butyl isocyanate; UN/NA 2486 Isobutyl isocyanate; UN/NA 2487 Phenyl isocyanate.
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.