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UN/NA 3421 · Potassium hydrogen difluoride, solution
UN/NA 3421 · ERG 2024 · Guide 154
- UN/NA
- 3421
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3421 (Potassium hydrogen difluoride, solution) under Guide 154, titled “Substances - Toxic and/or Corrosive (Non-Combustible)”.
Material name
3421 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Potassium hydrogen difluoride, solution” and to Guide 154. On a numbered orange panel, 3421 is the lower number (how to read an orange panel).
ERG 2024 markings for 3421
3421 is not highlighted in green (no Table 1 entry), and its guide number 154 has no P.
Entries near 3421
By number (yellow pages): before 3421 come UN/NA 3418 2,4-Toluenediamine, solution (Guide 151); UN/NA 3419 Boron trifluoride acetic acid complex, solid (Guide 157) and UN/NA 3420 Boron trifluoride propionic acid complex, solid (Guide 157); after it, UN/NA 3422 Potassium fluoride, solution (Guide 154); UN/NA 3423 Tetramethylammonium hydroxide, solid (Guide 153) and UN/NA 3424 Ammonium dinitro-o-cresolate, solution (Guide 141).
By name (blue pages): “Potassium hydrogen difluoride, solution” comes after Potassium fluorosilicate (UN/NA 2655, Guide 151) and Potassium hydrogen difluoride, solid (UN/NA 1811, Guide 154) and before Potassium hydrogen sulfate (UN/NA 2509, Guide 154) and Potassium hydrogen sulphate (UN/NA 2509, Guide 154).
Other names starting with “Potassium”: Potassium cyanide, solution (UN/NA 3413, Guide 157); Potassium fluoride, solid (UN/NA 1812, Guide 154); Potassium fluoroacetate (UN/NA 2628, Guide 151); Potassium hydrosulfite (UN/NA 1929, Guide 135); Potassium hydroxide, solid (UN/NA 1813, Guide 154) and Potassium hydroxide, solution (UN/NA 1814, Guide 154).
Guide 154 · Library
Guide 154 covers 127 UN/NA numbers. The 12 around 3421 in the guide’s number order: UN/NA 1553 Arsenic acid, liquid; UN/NA 3277 Chloroformates, poisonous, corrosive, n.o.s.; UN/NA 3289 Poisonous liquid, corrosive, inorganic, n.o.s.; UN/NA 3290 Poisonous solid, corrosive, inorganic, n.o.s.; UN/NA 3389 Poisonous by inhalation liquid, corrosive, n.o.s. (Inhalation Hazard Zone A); UN/NA 3390 Poisonous by inhalation liquid, corrosive, n.o.s. (Inhalation Hazard Zone B); UN/NA 3415 Sodium fluoride, solution; UN/NA 3422 Potassium fluoride, solution; UN/NA 3453 Phosphoric acid, solid; UN/NA 3471 Hydrogendifluorides, solution, n.o.s.; UN/NA 3495 Iodine; UN/NA 3547 Articles containing corrosive substance, n.o.s.
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.