Hazora · Library
UN/NA 2194 · Selenium hexafluoride
UN/NA 2194 · ERG 2024 · Guide 125
- UN/NA
- 2194
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2194 (Selenium hexafluoride) under Guide 125, titled “Gases - Toxic and/or Corrosive”.
Material name
2194 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Selenium hexafluoride” and to Guide 125. On a numbered orange panel, 2194 is the lower number (how to read an orange panel).
ERG 2024 markings for 2194
2194 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Selenium hexafluoride”. Hazora shows those distances in the app, not on this page. Its guide number 125 has no P.
Entries near 2194
By number (yellow pages): before 2194 come UN/NA 2191 Sulfuryl fluoride (Guide 123); UN/NA 2192 Germane (Guide 119) and UN/NA 2193 Hexafluoroethane (Guide 126); after it, UN/NA 2195 Tellurium hexafluoride (Guide 125); UN/NA 2196 Tungsten hexafluoride (Guide 125) and UN/NA 2197 Hydrogen iodide, anhydrous (Guide 125).
By name (blue pages): “Selenium hexafluoride” comes after Selenium disulfide (UN/NA 2657, Guide 153) and Selenium disulphide (UN/NA 2657, Guide 153) and before Selenium oxychloride (UN/NA 2879, Guide 157) and Self-defense spray, non-pressurized (UN/NA 3334, Guide 171).
Other names starting with “Selenium”: Selenium compound, liquid, n.o.s. (UN/NA 3440, Guide 151) and Selenium compound, solid, n.o.s. (UN/NA 3283, Guide 151).
Guide 125 · Library
Guide 125 covers 27 UN/NA numbers. The 12 around 2194 in the guide’s number order: 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 2186 Hydrogen chloride, refrigerated liquid; 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; UN/NA 2418 Sulfur tetrafluoride.
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.