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UN/NA 2504 · Acetylene tetrabromide
UN/NA 2504 · ERG 2024 · Guide 159
- UN/NA
- 2504
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2504 (Acetylene tetrabromide) under Guide 159, titled “Substances (Irritating)”.
Material name
2504 on a placard, orange panel or shipping paper
It can stand for either of two ERG 2024 entries: “Acetylene tetrabromide” and “Tetrabromoethane”. Both use Guide 159, so the number alone is enough to find the guide. On a numbered orange panel, 2504 is the lower number (how to read an orange panel).
ERG 2024 markings for 2504
2504 is not highlighted in green (no Table 1 entry), and its guide number 159 has no P.
Entries near 2504
By number (yellow pages): before 2504 come UN/NA 2501 Tris-(1-aziridinyl)phosphine oxide, solution (Guide 152); UN/NA 2502 Valeryl chloride (Guide 132) and UN/NA 2503 Zirconium tetrachloride (Guide 137); after it, UN/NA 2505 Ammonium fluoride (Guide 154); UN/NA 2506 Ammonium hydrogen sulfate (Guide 154) and UN/NA 2507 Chloroplatinic acid, solid (Guide 154).
By name (blue pages): “Acetylene tetrabromide” comes after Acetyl iodide (UN/NA 1898, Guide 156) and Acetyl methyl carbinol (UN/NA 2621, Guide 127) and before Acetylene, dissolved (UN/NA 1001, Guide 116) and Acetylene, solvent free (UN/NA 3374, Guide 116).
By name (blue pages): “Tetrabromoethane” comes after tert-Butyl isocyanate (UN/NA 2484, Guide 155) and tert-Butylcyclohexyl chloroformate (UN/NA 2747, Guide 156) and before Tetrachloroethylene (UN/NA 1897, Guide 160) and Tetraethyl dithiopyrophosphate (UN/NA 1704, Guide 153).
Guide 159 · Library
Guide 159 covers 10 UN/NA numbers. The others: UN/NA 1693 Tear gas devices; UN/NA 1694 Bromobenzyl cyanides, liquid; UN/NA 1700 Tear gas candles; UN/NA 2017 Ammunition, tear-producing, non-explosive; UN/NA 2515 Bromoform; UN/NA 2688 1-Bromo-3-chloropropane; UN/NA 2872 Dibromochloropropanes; UN/NA 3448 Tear gas substance, solid, n.o.s.; UN/NA 3449 Bromobenzyl cyanides, solid.
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.