UN/NA 1758 · Chromium oxychloride

Material name

1758 on a placard, orange panel or shipping paper

It points to the ERG 2024 entry “Chromium oxychloride” and to Guide 137. On a numbered orange panel, 1758 is the lower number (how to read an orange panel).

ERG 2024 markings for 1758

1758 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Chromium oxychloride (when spilled in water)”. Hazora shows those distances in the app, not on this page. “When spilled in water” means the material produces large amounts of toxic inhalation hazard (TIH) gases when spilled in water. Table 2 (Water-Reactive Materials Which Produce Toxic Gases) lists the gas produced: HCl (hydrogen chloride). Its guide number 137 has no P.

Entries near 1758

By number (yellow pages): before 1758 come UN/NA 1755 Chromic acid, solution (Guide 154); UN/NA 1756 Chromic fluoride, solid (Guide 154) and UN/NA 1757 Chromic fluoride, solution (Guide 154); after it, UN/NA 1759 Corrosive solid, n.o.s. (Guide 154); UN/NA 1760 Chemical kit (Guide 154) and UN/NA 1761 Cupriethylenediamine, solution (Guide 154).

By name (blue pages): “Chromium oxychloride” comes after Chromic fluoride, solution (UN/NA 1757, Guide 154) and Chromium nitrate (UN/NA 2720, Guide 141) and before Chromium trioxide, anhydrous (UN/NA 1463, Guide 141) and Chromosulfuric acid (UN/NA 2240, Guide 154).

Guide 137 · Library

Guide 137 covers 32 UN/NA numbers. The 12 around 1758 in the guide’s number order: UN/NA 1715 Acetic anhydride; UN/NA 1725 Aluminum bromide, anhydrous; UN/NA 1726 Aluminum chloride, anhydrous; UN/NA 1736 Benzoyl chloride; UN/NA 1739 Benzyl chloroformate; UN/NA 1754 Chlorosulfonic acid (with or without sulfur trioxide); UN/NA 1777 Fluorosulfonic acid; UN/NA 1806 Phosphorus pentachloride; UN/NA 1807 Phosphorus pentoxide; UN/NA 1808 Phosphorus tribromide; UN/NA 1809 Phosphorus trichloride; UN/NA 1810 Phosphorus oxychloride.

Sources

• PHMSA · ERG 2024 · EN / ES / FR