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UN/NA 3401 · Alkali metal amalgam, solid
UN/NA 3401 · ERG 2024 · Guide 138
- UN/NA
- 3401
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3401 (Alkali metal amalgam, solid) under Guide 138, titled “Substances - Water-Reactive (Emitting Flammable Gases)”.
Material name
3401 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Alkali metal amalgam, solid” and to Guide 138. On a numbered orange panel, 3401 is the lower number (how to read an orange panel).
ERG 2024 markings for 3401
3401 is not highlighted in green (no Table 1 entry), and its guide number 138 has no P.
Entries near 3401
By number (yellow pages): before 3401 come UN/NA 3398 Organometallic substance, liquid, water-reactive (Guide 135); UN/NA 3399 Organometallic substance, liquid, water-reactive, flammable (Guide 138) and UN/NA 3400 Organometallic substance, solid, self-heating (Guide 138); after it, UN/NA 3402 Alkaline earth metal amalgam, solid (Guide 138); UN/NA 3403 Potassium metal alloys, solid (Guide 138) and UN/NA 3404 Potassium sodium alloys, solid (Guide 138).
By name (blue pages): “Alkali metal amalgam, solid” comes after Alkali metal alloy, liquid, n.o.s. (UN/NA 1421, Guide 138) and Alkali metal amalgam, liquid (UN/NA 1389, Guide 138) and before Alkali metal amides (UN/NA 1390, Guide 139) and Alkali metal dispersion (UN/NA 1391, Guide 138).
Other names starting with “Alkali”: Alkali metal alcoholates, self-heating, corrosive, n.o.s. (UN/NA 3206, Guide 136) and Alkali metal dispersion, flammable (UN/NA 3482, Guide 138).
Guide 138 · Library
Guide 138 covers 74 UN/NA numbers. The 12 around 3401 in the guide’s number order: UN/NA 3209 Metallic substance, water-reactive, self-heating, n.o.s.; UN/NA 3292 Batteries, containing metallic sodium or sodium alloy; UN/NA 3396 Organometallic substance, solid, water-reactive, flammable; UN/NA 3397 Organometallic substance, solid, water-reactive, self-heating; UN/NA 3399 Organometallic substance, liquid, water-reactive, flammable; UN/NA 3400 Organometallic substance, solid, self-heating; UN/NA 3402 Alkaline earth metal amalgam, solid; UN/NA 3403 Potassium metal alloys, solid; UN/NA 3404 Potassium sodium alloys, solid; UN/NA 3476 Fuel cell cartridges, containing water-reactive substances; UN/NA 3482 Alkali metal dispersion, flammable; UN/NA 3536 Lithium batteries installed in cargo transport unit (lithium metal batteries).
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.