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UN/NA 1421 · Alkali metal alloy, liquid, n.o.s.
UN/NA 1421 · ERG 2024 · Guide 138
- UN/NA
- 1421
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1421 (Alkali metal alloy, liquid, n.o.s.) under Guide 138, titled “Substances - Water-Reactive (Emitting Flammable Gases)”.
Material name
1421 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Alkali metal alloy, liquid, n.o.s.” and to Guide 138. On a numbered orange panel, 1421 is the lower number (how to read an orange panel).
ERG 2024 markings for 1421
1421 is not highlighted in green (no Table 1 entry), and its guide number 138 has no P.
Entries near 1421
By number (yellow pages): before 1421 come UN/NA 1418 Magnesium alloys powder (Guide 138); UN/NA 1419 Magnesium aluminum phosphide (Guide 139) and UN/NA 1420 Potassium metal alloys, liquid (Guide 138); after it, UN/NA 1422 Potassium sodium alloys, liquid (Guide 138); UN/NA 1423 Rubidium (Guide 138) and UN/NA 1426 Sodium borohydride (Guide 138).
By name (blue pages): “Alkali metal alloy, liquid, n.o.s.” comes after Aldol (UN/NA 2839, Guide 153) and Alkali metal alcoholates, self-heating, corrosive, n.o.s. (UN/NA 3206, Guide 136) and before Alkali metal amalgam, liquid (UN/NA 1389, Guide 138) and Alkali metal amalgam, solid (UN/NA 3401, Guide 138).
Other names starting with “Alkali”: Alkali metal amides (UN/NA 1390, Guide 139); Alkali metal dispersion (UN/NA 1391, Guide 138) and Alkali metal dispersion, flammable (UN/NA 3482, Guide 138).
Guide 138 · Library
Guide 138 covers 74 UN/NA numbers. The 12 around 1421 in the guide’s number order: UN/NA 1413 Lithium borohydride; UN/NA 1414 Lithium hydride; UN/NA 1415 Lithium; UN/NA 1417 Lithium silicon; UN/NA 1418 Magnesium alloys powder; UN/NA 1420 Potassium metal alloys, liquid; UN/NA 1422 Potassium sodium alloys, liquid; UN/NA 1423 Rubidium; UN/NA 1426 Sodium borohydride; UN/NA 1427 Sodium hydride; UN/NA 1428 Sodium; UN/NA 1431 Sodium methylate, dry.
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.