UN 2201

UN 2201 is the transport identification number used for Nitrous Oxide in our database. It appears in Section 14 of the SDS, on shipping papers and on hazmat placards and labels.

Proper shipping name

• UN 2201; Nitrous oxide, refrigerated liquid

DOT hazard classification

• Nitrous oxide
• UN1070
• Div 2.2 Non-flammable compressed gas (49 eCFR § 173.115)

Emergency Response Guidebook

• 2201 122

Transport data from NOAA CAMEO Chemicals, HSDB and other sources via PubChem. Always confirm against 49 CFR 172.101 and the current ERG.