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UN/NA 2257 · Potassium
UN/NA 2257 · ERG 2024 · Guide 138
- UN/NA
- 2257
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2257 (Potassium) under Guide 138, titled “Substances - Water-Reactive (Emitting Flammable Gases)”.
Material name
2257 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Potassium” and to Guide 138. On a numbered orange panel, 2257 is the lower number (how to read an orange panel).
ERG 2024 markings for 2257
2257 is not highlighted in green (no Table 1 entry), and its guide number 138 has no P.
Entries near 2257
By number (yellow pages): before 2257 come UN/NA 2253 N,N-Dimethylaniline (Guide 153); UN/NA 2254 Matches, fusee (Guide 133) and UN/NA 2256 Cyclohexene (Guide 130); after it, UN/NA 2258 1,2-Propylenediamine (Guide 132); UN/NA 2259 Triethylenetetramine (Guide 153) and UN/NA 2260 Tripropylamine (Guide 132).
By name (blue pages): “Potassium” comes after Polymerizing substance, solid, stabilized, n.o.s. (UN/NA 3531, Guide 149P) and Polymerizing substance, solid, temperature controlled, n.o.s. (UN/NA 3533, Guide 150P) and before Potassium arsenate (UN/NA 1677, Guide 151) and Potassium arsenite (UN/NA 1678, Guide 154).
Other names starting with “Potassium”: Potassium borohydride (UN/NA 1870, Guide 138); Potassium bromate (UN/NA 1484, Guide 140); Potassium chlorate (UN/NA 1485, Guide 140); Potassium chlorate, aqueous solution (UN/NA 2427, Guide 140); Potassium cuprocyanide (UN/NA 1679, Guide 157) and Potassium cyanide, solid (UN/NA 1680, Guide 157).
Guide 138 · Library
Guide 138 covers 74 UN/NA numbers. The 12 around 2257 in the guide’s number order: UN/NA 1436 Zinc dust; UN/NA 1437 Zirconium hydride; UN/NA 1869 Magnesium; UN/NA 1870 Potassium borohydride; UN/NA 1928 Methyl magnesium bromide in ethyl ether; UN/NA 2010 Magnesium hydride; UN/NA 2463 Aluminum hydride; UN/NA 2624 Magnesium silicide; UN/NA 2805 Lithium hydride, fused solid; UN/NA 2813 Water-reactive solid, n.o.s.; UN/NA 2835 Sodium aluminum hydride; UN/NA 2844 Calcium manganese silicon.
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.