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UN/NA 1787 · Hydriodic acid
UN/NA 1787 · ERG 2024 · Guide 154
- UN/NA
- 1787
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1787 (Hydriodic acid) under Guide 154, titled “Substances - Toxic and/or Corrosive (Non-Combustible)”.
Material name
1787 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Hydriodic acid” and to Guide 154. On a numbered orange panel, 1787 is the lower number (how to read an orange panel).
ERG 2024 markings for 1787
1787 is not highlighted in green (no Table 1 entry), and its guide number 154 has no P.
Entries near 1787
By number (yellow pages): before 1787 come UN/NA 1783 Hexamethylenediamine, solution (Guide 153); UN/NA 1784 Hexyltrichlorosilane (Guide 156) and UN/NA 1786 Hydrofluoric acid and sulfuric acid mixture (Guide 157); after it, UN/NA 1788 Hydrobromic acid (Guide 154); UN/NA 1789 Hydrochloric acid (Guide 157) and UN/NA 1790 Hydrofluoric acid (Guide 157).
By name (blue pages): “Hydriodic acid” comes after Hydrazine, aqueous solution, with more than 37% hydrazine (UN/NA 2030, Guide 153) and Hydrazine, aqueous solution, with not more than 37% hydrazine (UN/NA 3293, Guide 153) and before Hydrobromic acid (UN/NA 1788, Guide 154) and Hydrocarbon gas mixture, compressed, n.o.s. (UN/NA 1964, Guide 115).
Guide 154 · Library
Guide 154 covers 127 UN/NA numbers. The 12 around 1787 in the guide’s number order: UN/NA 1768 Difluorophosphoric acid, anhydrous; UN/NA 1774 Fire extinguisher charges, corrosive liquid; UN/NA 1775 Fluoroboric acid; UN/NA 1776 Fluorophosphoric acid, anhydrous; UN/NA 1778 Fluorosilicic acid; UN/NA 1782 Hexafluorophosphoric acid; UN/NA 1788 Hydrobromic acid; UN/NA 1791 Hypochlorite solution; UN/NA 1794 Lead sulfate, with more than 3% free acid; UN/NA 1805 Phosphoric acid, solution; UN/NA 1811 Potassium hydrogen difluoride, solid; UN/NA 1812 Potassium fluoride, 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.