UN/NA 2202 · Hydrogen selenide, anhydrous

Material name

2202 on a placard, orange panel or shipping paper

It points to the ERG 2024 entry “Hydrogen selenide, anhydrous” and to Guide 117. On a numbered orange panel, 2202 is the lower number (how to read an orange panel).

ERG 2024 markings for 2202

2202 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Hydrogen selenide, anhydrous”. Hazora shows those distances in the app, not on this page. Its guide number 117 has no P.

Entries near 2202

By number (yellow pages): before 2202 come UN/NA 2199 Phosphine (Guide 119); UN/NA 2200 Propadiene, stabilized (Guide 116P) and UN/NA 2201 Nitrous oxide, refrigerated liquid (Guide 122); after it, UN/NA 2203 Silane (Guide 116); UN/NA 2204 Carbonyl sulfide (Guide 119) and UN/NA 2205 Adiponitrile (Guide 153).

By name (blue pages): “Hydrogen selenide, anhydrous” comes after Hydrogen peroxide, stabilized (UN/NA 2015, Guide 143) and Hydrogen selenide, adsorbed (UN/NA 3526, Guide 173) and before Hydrogen sulfide (UN/NA 1053, Guide 117) and Hydrogen sulphide (UN/NA 1053, Guide 117).

Other names starting with “Hydrogen”: Hydrogen iodide, anhydrous (UN/NA 2197, Guide 125); Hydrogen peroxide and peroxyacetic acid mixture, with acid(s), water and not more than 5% peroxyacetic acid, stabilized (UN/NA 3149, Guide 140); 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); Hydrogen, compressed (UN/NA 1049, Guide 115) and Hydrogen, refrigerated liquid (cryogenic liquid) (UN/NA 1966, Guide 115).

Guide 117 · Library

Guide 117 covers 4 UN/NA numbers. The others: UN/NA 1051 Hydrogen cyanide, stabilized; UN/NA 1053 Hydrogen sulfide; UN/NA 1064 Methyl mercaptan.

Sources

• PHMSA · ERG 2024 · EN / ES / FR