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UN/NA 3403 · Potassium metal alloys, solid
UN/NA 3403 · ERG 2024 · Guide 138
- UN/NA
- 3403
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3403 (Potassium metal alloys, solid) under Guide 138, titled “Substances - Water-Reactive (Emitting Flammable Gases)”.
Material name
3403 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Potassium metal alloys, solid” and to Guide 138. On a numbered orange panel, 3403 is the lower number (how to read an orange panel).
ERG 2024 markings for 3403
3403 is not highlighted in green (no Table 1 entry), and its guide number 138 has no P.
Entries near 3403
By number (yellow pages): before 3403 come UN/NA 3400 Organometallic substance, solid, self-heating (Guide 138); UN/NA 3401 Alkali metal amalgam, solid (Guide 138) and UN/NA 3402 Alkaline earth metal amalgam, solid (Guide 138); after it, UN/NA 3404 Potassium sodium alloys, solid (Guide 138); UN/NA 3405 Barium chlorate, solution (Guide 141) and UN/NA 3406 Barium perchlorate, solution (Guide 141).
By name (blue pages): “Potassium metal alloys, solid” comes after Potassium hydroxide, solution (UN/NA 1814, Guide 154) and Potassium metal alloys, liquid (UN/NA 1420, Guide 138) and before Potassium metavanadate (UN/NA 2864, Guide 151) and Potassium monoxide (UN/NA 2033, Guide 154).
Other names starting with “Potassium”: Potassium hydrogen sulphate (UN/NA 2509, Guide 154); Potassium hydrosulphite (UN/NA 1929, Guide 135); Potassium hydroxide, solid (UN/NA 1813, Guide 154); Potassium nitrate (UN/NA 1486, Guide 140); Potassium nitrate and sodium nitrite mixture (UN/NA 1487, Guide 140) and Potassium nitrite (UN/NA 1488, Guide 140).
Guide 138 · Library
Guide 138 covers 74 UN/NA numbers. The 12 around 3403 in the guide’s number order: 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 3401 Alkali metal amalgam, solid; UN/NA 3402 Alkaline earth metal amalgam, 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); UN/NA 3543 Articles containing a substance which in contact with water emits flammable gases, n.o.s.; UN/NA 3557 Vehicle, lithium metal battery powered.
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.