Hazora · Library
UN/NA 2190 · Oxygen difluoride, compressed
UN/NA 2190 · ERG 2024 · Guide 124
- UN/NA
- 2190
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2190 (Oxygen difluoride, compressed) under Guide 124, titled “Gases - Toxic and/or Corrosive - Oxidizing”.
Material name
2190 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Oxygen difluoride, compressed” and to Guide 124. On a numbered orange panel, 2190 is the lower number (how to read an orange panel).
ERG 2024 markings for 2190
2190 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Oxygen difluoride, compressed”. Hazora shows those distances in the app, not on this page. Its guide number 124 has no P.
Entries near 2190
By number (yellow pages): before 2190 come UN/NA 2187 Carbon dioxide, refrigerated liquid (Guide 120); UN/NA 2188 Arsine (Guide 119) and UN/NA 2189 Dichlorosilane (Guide 119); after it, UN/NA 2191 Sulfuryl fluoride (Guide 123); UN/NA 2192 Germane (Guide 119) and UN/NA 2193 Hexafluoroethane (Guide 126).
By name (blue pages): “Oxygen difluoride, compressed” comes after Oxidizing solid, toxic, n.o.s. (UN/NA 3087, Guide 141) and Oxidizing solid, water-reactive, n.o.s. (UN/NA 3121, Guide 144) and before Oxygen generator, chemical (UN/NA 3356, Guide 140) and Oxygen generator, chemical, spent (UN/NA 3356, Guide 140).
Other names starting with “Oxygen”: Oxygen, compressed (UN/NA 1072, Guide 122) and Oxygen, refrigerated liquid (cryogenic liquid) (UN/NA 1073, Guide 122).
Guide 124 · Library
Guide 124 covers 15 UN/NA numbers. The 12 around 2190 in the guide’s number order: UN/NA 1017 Chlorine; UN/NA 1045 Fluorine, compressed; UN/NA 1067 Dinitrogen tetroxide; UN/NA 1660 Nitric oxide, compressed; UN/NA 1749 Chlorine trifluoride; UN/NA 1975 Nitric oxide and dinitrogen tetroxide mixture; UN/NA 2421 Nitrogen trioxide; UN/NA 2548 Chlorine pentafluoride; UN/NA 2901 Bromine chloride; UN/NA 3083 Perchloryl fluoride; UN/NA 3303 Compressed gas, poisonous, oxidizing, n.o.s.; UN/NA 3306 Compressed gas, poisonous, oxidizing, corrosive, n.o.s.
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.