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UN/NA 2439 · Sodium hydrogendifluoride
UN/NA 2439 · ERG 2024 · Guide 154
- UN/NA
- 2439
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2439 (Sodium hydrogendifluoride) under Guide 154, titled “Substances - Toxic and/or Corrosive (Non-Combustible)”.
Material name
2439 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Sodium hydrogendifluoride” and to Guide 154. On a numbered orange panel, 2439 is the lower number (how to read an orange panel).
ERG 2024 markings for 2439
2439 is not highlighted in green (no Table 1 entry), and its guide number 154 has no P.
Entries near 2439
By number (yellow pages): before 2439 come UN/NA 2436 Thioacetic acid (Guide 129); UN/NA 2437 Methylphenyldichlorosilane (Guide 156) and UN/NA 2438 Trimethylacetyl chloride (Guide 131); after it, UN/NA 2440 Stannic chloride, pentahydrate (Guide 154); UN/NA 2441 Titanium trichloride, pyrophoric (Guide 135) and UN/NA 2442 Trichloroacetyl chloride (Guide 156).
By name (blue pages): “Sodium hydrogendifluoride” comes after Sodium fluorosilicate (UN/NA 2674, Guide 154) and Sodium hydride (UN/NA 1427, Guide 138) and before Sodium hydrosulfide, hydrated, with not less than 25% water of crystallization (UN/NA 2949, Guide 154) and Sodium hydrosulfide, with less than 25% water of crystallization (UN/NA 2318, Guide 135).
Other names starting with “Sodium”: Sodium dinitro-o-cresolate, wetted with not less than 10% water (UN/NA 3369, Guide 113); Sodium dinitro-o-cresolate, wetted with not less than 15% water (UN/NA 1348, Guide 113); Sodium fluoride, solid (UN/NA 1690, Guide 154); Sodium fluoride, solution (UN/NA 3415, Guide 154); Sodium fluoroacetate (UN/NA 2629, Guide 151) and Sodium hydrosulfite (UN/NA 1384, Guide 135).
Guide 154 · Library
Guide 154 covers 127 UN/NA numbers. The 12 around 2439 in the guide’s number order: UN/NA 1907 Soda lime, with more than 4% sodium hydroxide; UN/NA 1908 Chlorite solution; UN/NA 2033 Potassium monoxide; UN/NA 2079 Diethylenetriamine; UN/NA 2240 Chromosulfuric acid; UN/NA 2331 Zinc chloride, anhydrous; UN/NA 2440 Stannic chloride, pentahydrate; UN/NA 2471 Osmium tetroxide; UN/NA 2473 Sodium arsanilate; UN/NA 2505 Ammonium fluoride; UN/NA 2506 Ammonium hydrogen sulfate; UN/NA 2507 Chloroplatinic acid, solid.
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.