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UN/NA 1790 · Hydrofluoric acid
UN/NA 1790 · ERG 2024 · Guide 157
- UN/NA
- 1790
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1790 (Hydrofluoric acid) under Guide 157, titled “Substances - Toxic and/or Corrosive (Non-Combustible/Water-Sensitive)”.
Material name
1790 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Hydrofluoric acid” and to Guide 157. On a numbered orange panel, 1790 is the lower number (how to read an orange panel).
ERG 2024 markings for 1790
1790 is not highlighted in green (no Table 1 entry), and its guide number 157 has no P.
Entries near 1790
By number (yellow pages): before 1790 come UN/NA 1787 Hydriodic acid (Guide 154); UN/NA 1788 Hydrobromic acid (Guide 154) and UN/NA 1789 Hydrochloric acid (Guide 157); after it, UN/NA 1791 Hypochlorite solution (Guide 154); UN/NA 1792 Iodine monochloride, solid (Guide 157) and UN/NA 1793 Isopropyl acid phosphate (Guide 153).
By name (blue pages): “Hydrofluoric acid” comes after Hydrocyanic acid, aqueous solution, with less than 5% hydrogen cyanide (UN/NA 1613, Guide 154) and Hydrocyanic acid, aqueous solution, with not more than 20% hydrogen cyanide (UN/NA 1613, Guide 154) and before Hydrofluoric acid and sulfuric acid mixture (UN/NA 1786, Guide 157) and Hydrofluoric acid and sulphuric acid mixture (UN/NA 1786, Guide 157).
Guide 157 · Library
Guide 157 covers 58 UN/NA numbers. The 12 around 1790 in the guide’s number order: UN/NA 1733 Antimony trichloride; UN/NA 1742 Boron trifluoride acetic acid complex, liquid; UN/NA 1743 Boron trifluoride propionic acid complex, liquid; UN/NA 1773 Ferric chloride, anhydrous; UN/NA 1786 Hydrofluoric acid and sulfuric acid mixture; UN/NA 1789 Hydrochloric acid; UN/NA 1792 Iodine monochloride, solid; UN/NA 1796 Nitrating acid mixture with more than 50% nitric acid; UN/NA 1798 Aqua regia; UN/NA 1802 Perchloric acid, with not more than 50% acid; UN/NA 1818 Silicon tetrachloride; UN/NA 1825 Sodium monoxide.
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.