UN/NA 2197 · Hydrogen iodide, anhydrous

Material name

2197 on a placard, orange panel or shipping paper

It points to the ERG 2024 entry “Hydrogen iodide, anhydrous” and to Guide 125. On a numbered orange panel, 2197 is the lower number (how to read an orange panel).

ERG 2024 markings for 2197

2197 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Hydrogen iodide, anhydrous”. Hazora shows those distances in the app, not on this page. Its guide number 125 has no P.

Entries near 2197

By number (yellow pages): before 2197 come UN/NA 2194 Selenium hexafluoride (Guide 125); UN/NA 2195 Tellurium hexafluoride (Guide 125) and UN/NA 2196 Tungsten hexafluoride (Guide 125); after it, UN/NA 2198 Phosphorus pentafluoride (Guide 125); UN/NA 2199 Phosphine (Guide 119) and UN/NA 2200 Propadiene, stabilized (Guide 116P).

By name (blue pages): “Hydrogen iodide, anhydrous” comes after Hydrogen in a metal hydride storage system contained in equipment (UN/NA 3468, Guide 115) and Hydrogen in a metal hydride storage system packed with equipment (UN/NA 3468, Guide 115) and before Hydrogen peroxide and peroxyacetic acid mixture, with acid(s), water and not more than 5% peroxyacetic acid, stabilized (UN/NA 3149, Guide 140) and Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide (UN/NA 2015, Guide 143).

Other names starting with “Hydrogen”: 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 peroxide, aqueous solution, with not less than 8% but less than 20% hydrogen peroxide (UN/NA 2984, Guide 140); Hydrogen peroxide, aqueous solution, with not less than 20% but not more than 60% hydrogen peroxide (stabilized as necessary) (UN/NA 2014, Guide 140) and Hydrogen selenide, adsorbed (UN/NA 3526, Guide 173).

Guide 125 · Library

Guide 125 covers 27 UN/NA numbers. The 12 around 2197 in the guide’s number order: 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 2194 Selenium hexafluoride; UN/NA 2195 Tellurium hexafluoride; UN/NA 2196 Tungsten hexafluoride; UN/NA 2198 Phosphorus pentafluoride; UN/NA 2417 Carbonyl fluoride; UN/NA 2418 Sulfur tetrafluoride; UN/NA 2420 Hexafluoroacetone; UN/NA 3057 Trifluoroacetyl chloride; UN/NA 3304 Compressed gas, poisonous, corrosive, n.o.s.

Sources

• PHMSA · ERG 2024 · EN / ES / FR