Hazora · Library
UN/NA 2186 · Hydrogen chloride, refrigerated liquid
UN/NA 2186 · ERG 2024 · Guide 125
- UN/NA
- 2186
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2186 (Hydrogen chloride, refrigerated liquid) under Guide 125, titled “Gases - Toxic and/or Corrosive”.
Material name
2186 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Hydrogen chloride, refrigerated liquid” and to Guide 125. On a numbered orange panel, 2186 is the lower number (how to read an orange panel).
ERG 2024 markings for 2186
2186 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Hydrogen chloride, refrigerated liquid”. Hazora shows those distances in the app, not on this page. 2186 is also one of the six common TIH gases in Table 3, which covers large spills by container type. Its guide number 125 has no P.
Entries near 2186
By number (yellow pages): before 2186 come UN/NA 2077 alpha-Naphthylamine (Guide 153); UN/NA 2078 Toluene diisocyanate (Guide 156) and UN/NA 2079 Diethylenetriamine (Guide 154); after it, UN/NA 2187 Carbon dioxide, refrigerated liquid (Guide 120); UN/NA 2188 Arsine (Guide 119) and UN/NA 2189 Dichlorosilane (Guide 119).
By name (blue pages): “Hydrogen chloride, refrigerated liquid” comes after Hydrogen bromide, anhydrous (UN/NA 1048, Guide 125) and Hydrogen chloride, anhydrous (UN/NA 1050, Guide 125) and before Hydrogen cyanide, aqueous solution, with not more than 20% hydrogen cyanide (UN/NA 1613, Guide 154) and Hydrogen cyanide, solution in alcohol, with not more than 45% hydrogen cyanide (UN/NA 3294, Guide 131).
Other names starting with “Hydrogen”: Hydrogen and methane mixture, compressed (UN/NA 2034, Guide 115); Hydrogen cyanide, stabilized (UN/NA 1051, Guide 117P); Hydrogen cyanide, stabilized (absorbed) (UN/NA 1614, Guide 152); Hydrogen fluoride, anhydrous (UN/NA 1052, Guide 125); Hydrogen in a metal hydride storage system (UN/NA 3468, Guide 115) and Hydrogen iodide, anhydrous (UN/NA 2197, Guide 125).
Guide 125 · Library
Guide 125 covers 27 UN/NA numbers. The 12 around 2186 in the guide’s number order: UN/NA 1076 Phosgene; UN/NA 1079 Sulfur dioxide; UN/NA 1589 Cyanogen chloride, stabilized; UN/NA 1741 Boron trichloride; UN/NA 1859 Silicon tetrafluoride; UN/NA 2073 Ammonia solution, with more than 35% but not more than 50% ammonia; UN/NA 2194 Selenium hexafluoride; UN/NA 2195 Tellurium hexafluoride; UN/NA 2196 Tungsten hexafluoride; UN/NA 2197 Hydrogen iodide, anhydrous; UN/NA 2198 Phosphorus pentafluoride; UN/NA 2417 Carbonyl fluoride.
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.