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UN/NA 2491 · Ethanolamine
UN/NA 2491 · ERG 2024 · Guide 153
- UN/NA
- 2491
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2491 (Ethanolamine) under Guide 153, titled “Substances - Toxic and/or Corrosive (Combustible)”.
Material name
2491 on a placard, orange panel or shipping paper
It can stand for any of three ERG 2024 entries: “Ethanolamine”, “Ethanolamine, solution” and “Monoethanolamine”. All use Guide 153, so the number alone is enough to find the guide. On a numbered orange panel, 2491 is the lower number (how to read an orange panel).
ERG 2024 markings for 2491
2491 is not highlighted in green (no Table 1 entry), and its guide number 153 has no P.
Entries near 2491
By number (yellow pages): before 2491 come UN/NA 2487 Phenyl isocyanate (Guide 155); UN/NA 2488 Cyclohexyl isocyanate (Guide 155) and UN/NA 2490 Dichloroisopropyl ether (Guide 153); after it, UN/NA 2493 Hexamethyleneimine (Guide 132); UN/NA 2495 Iodine pentafluoride (Guide 144) and UN/NA 2496 Propionic anhydride (Guide 156).
By name (blue pages): “Ethanolamine” comes after Ethanol and petrol mixture, with more than 10% ethanol (UN/NA 3475, Guide 127) and Ethanol, solution (UN/NA 1170, Guide 127) and before Ethers, n.o.s. (UN/NA 3271, Guide 127) and Ethyl 2-chloropropionate (UN/NA 2935, Guide 129).
By name (blue pages): “Ethanolamine, solution” comes after Ethanol and petrol mixture, with more than 10% ethanol (UN/NA 3475, Guide 127) and Ethanol, solution (UN/NA 1170, Guide 127) and before Ethers, n.o.s. (UN/NA 3271, Guide 127) and Ethyl 2-chloropropionate (UN/NA 2935, Guide 129).
By name (blue pages): “Monoethanolamine” comes after Molten sulphur (UN/NA 2448, Guide 133) and Molybdenum pentachloride (UN/NA 2508, Guide 156) and before Mononitrotoluidines (UN/NA 2660, Guide 153) and Morpholine (UN/NA 2054, Guide 132).
Guide 153 · Library
Guide 153 covers 168 UN/NA numbers. The 12 around 2491 in the guide’s number order: UN/NA 2327 Trimethylhexamethylenediamines; UN/NA 2430 Alkylphenols, solid, n.o.s. (including C2-C12 homologues); UN/NA 2431 Anisidines; UN/NA 2432 N,N-Diethylaniline; UN/NA 2446 Nitrocresols, solid; UN/NA 2490 Dichloroisopropyl ether; UN/NA 2511 2-Chloropropionic acid; UN/NA 2518 1,5,9-Cyclododecatriene; UN/NA 2522 2-Dimethylaminoethyl methacrylate, stabilized; UN/NA 2531 Methacrylic acid, stabilized; UN/NA 2542 Tributylamine; UN/NA 2564 Trichloroacetic acid, solution.
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.