UN 1966

UN 1966 is the transport identification number used for Hydrogen and Butane in our database. It appears in Section 14 of the SDS, on shipping papers and on hazmat placards and labels.

Proper shipping name

• UN 1966; Hydrogen, refrigerated liquid (cryogenic liquid)

DOT hazard classification

• Hydrogen, compressed
• UN1049
• Div 2.1 Flammable gas (49 eCFR § 173.115)

Emergency Response Guidebook

• 1966 115

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