Hazora · Library
UN/NA 1680 · Potassium cyanide, solid
UN/NA 1680 · ERG 2024 · Guide 157
- UN/NA
- 1680
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1680 (Potassium cyanide, solid) under Guide 157, titled “Substances - Toxic and/or Corrosive (Non-Combustible/Water-Sensitive)”.
Material name
1680 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Potassium cyanide, solid” and to Guide 157. On a numbered orange panel, 1680 is the lower number (how to read an orange panel).
ERG 2024 markings for 1680
1680 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Potassium cyanide, solid (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: HCN (hydrogen cyanide). Its guide number 157 has no P.
Entries near 1680
By number (yellow pages): before 1680 come UN/NA 1677 Potassium arsenate (Guide 151); UN/NA 1678 Potassium arsenite (Guide 154) and UN/NA 1679 Potassium cuprocyanide (Guide 157); after it, UN/NA 1683 Silver arsenite (Guide 151); UN/NA 1684 Silver cyanide (Guide 151) and UN/NA 1685 Sodium arsenate (Guide 151).
By name (blue pages): “Potassium cyanide, solid” comes after Potassium chlorate, aqueous solution (UN/NA 2427, Guide 140) and Potassium cuprocyanide (UN/NA 1679, Guide 157) and before Potassium cyanide, solution (UN/NA 3413, Guide 157) and Potassium dithionite (UN/NA 1929, Guide 135).
Other names starting with “Potassium”: Potassium borohydride (UN/NA 1870, Guide 138); Potassium bromate (UN/NA 1484, Guide 140); Potassium chlorate (UN/NA 1485, Guide 140); Potassium fluoride, solid (UN/NA 1812, Guide 154); Potassium fluoride, solution (UN/NA 3422, Guide 154) and Potassium fluoroacetate (UN/NA 2628, Guide 151).
Guide 157 · Library
Guide 157 covers 58 UN/NA numbers. The 12 around 1680 in the guide’s number order: UN/NA 1565 Barium cyanide; UN/NA 1575 Calcium cyanide; UN/NA 1588 Cyanides, inorganic, solid, n.o.s.; UN/NA 1626 Mercuric potassium cyanide; UN/NA 1670 Perchloromethyl mercaptan; UN/NA 1679 Potassium cuprocyanide; UN/NA 1689 Sodium cyanide, solid; UN/NA 1730 Antimony pentachloride, liquid; UN/NA 1731 Antimony pentachloride, solution; UN/NA 1732 Antimony pentafluoride; UN/NA 1733 Antimony trichloride; UN/NA 1742 Boron trifluoride acetic acid complex, liquid.
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.