UN/NA 1778 · Fluorosilicic acid

Material name

1778 on a placard, orange panel or shipping paper

It can stand for either of two ERG 2024 entries: “Fluorosilicic acid” and “Hydrofluorosilicic acid”. Both use Guide 154, so the number alone is enough to find the guide. On a numbered orange panel, 1778 is the lower number (how to read an orange panel).

ERG 2024 markings for 1778

1778 is not highlighted in green (no Table 1 entry), and its guide number 154 has no P.

Entries near 1778

By number (yellow pages): before 1778 come UN/NA 1775 Fluoroboric acid (Guide 154); UN/NA 1776 Fluorophosphoric acid, anhydrous (Guide 154) and UN/NA 1777 Fluorosulfonic acid (Guide 137); after it, UN/NA 1779 Formic acid (Guide 153); UN/NA 1780 Fumaryl chloride (Guide 156) and UN/NA 1781 Hexadecyltrichlorosilane (Guide 156).

By name (blue pages): “Fluorosilicic acid” comes after Fluorophosphoric acid, anhydrous (UN/NA 1776, Guide 154) and Fluorosilicates, n.o.s. (UN/NA 2856, Guide 151) and before Fluorosulfonic acid (UN/NA 1777, Guide 137) and Fluorosulphonic acid (UN/NA 1777, Guide 137).

By name (blue pages): “Hydrofluorosilicic acid” comes after Hydrofluoric acid and sulfuric acid mixture (UN/NA 1786, Guide 157) and Hydrofluoric acid and sulphuric acid mixture (UN/NA 1786, Guide 157) and before Hydrogen and methane mixture, compressed (UN/NA 2034, Guide 115) and Hydrogen bromide, anhydrous (UN/NA 1048, Guide 125).

Guide 154 · Library

Guide 154 covers 127 UN/NA numbers. The 12 around 1778 in the guide’s number order: UN/NA 1760 Chemical kit; UN/NA 1761 Cupriethylenediamine, solution; 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 1782 Hexafluorophosphoric acid; UN/NA 1787 Hydriodic 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.

Sources

• PHMSA · ERG 2024 · EN / ES / FR