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UN/NA 2578 · Phosphorus trioxide
UN/NA 2578 · ERG 2024 · Guide 157
- UN/NA
- 2578
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2578 (Phosphorus trioxide) under Guide 157, titled “Substances - Toxic and/or Corrosive (Non-Combustible/Water-Sensitive)”.
Material name
2578 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Phosphorus trioxide” and to Guide 157. On a numbered orange panel, 2578 is the lower number (how to read an orange panel).
ERG 2024 markings for 2578
2578 is not highlighted in green (no Table 1 entry), and its guide number 157 has no P.
Entries near 2578
By number (yellow pages): before 2578 come UN/NA 2574 Tricresyl phosphate (Guide 151); UN/NA 2576 Phosphorus oxybromide, molten (Guide 137) and UN/NA 2577 Phenylacetyl chloride (Guide 156); after it, UN/NA 2579 Piperazine (Guide 153); UN/NA 2580 Aluminum bromide, solution (Guide 154) and UN/NA 2581 Aluminum chloride, solution (Guide 154).
By name (blue pages): “Phosphorus trioxide” comes after Phosphorus tribromide (UN/NA 1808, Guide 137) and Phosphorus trichloride (UN/NA 1809, Guide 137) and before Phosphorus trisulfide, free from yellow and white phosphorus (UN/NA 1343, Guide 139) and Phosphorus trisulphide, free from yellow and white phosphorus (UN/NA 1343, Guide 139).
Other names starting with “Phosphorus”: Phosphorus pentasulphide, free from yellow and white phosphorus (UN/NA 1340, Guide 139); Phosphorus pentoxide (UN/NA 1807, Guide 137); Phosphorus sesquisulphide, free from yellow and white phosphorus (UN/NA 1341, Guide 139); Phosphorus, amorphous (UN/NA 1338, Guide 133); Phosphorus, white, dry or under water or in solution (UN/NA 1381, Guide 136) and Phosphorus, white, molten (UN/NA 2447, Guide 136).
Guide 157 · Library
Guide 157 covers 58 UN/NA numbers. The 12 around 2578 in the guide’s number order: UN/NA 2031 Nitric acid, other than red fuming, with more than 65% nitric acid; UN/NA 2032 Nitric acid, red fuming; UN/NA 2308 Nitrosylsulfuric acid, liquid; UN/NA 2316 Sodium cuprocyanide, solid; UN/NA 2317 Sodium cuprocyanide, solution; UN/NA 2475 Vanadium trichloride; UN/NA 2670 Cyanuric chloride; UN/NA 2682 Caesium hydroxide; UN/NA 2692 Boron tribromide; UN/NA 2745 Chloromethyl chloroformate; UN/NA 2796 Battery fluid, acid; UN/NA 2851 Boron trifluoride, dihydrate.
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.