UN 2186

UN 2186 is the transport identification number used for Hydrochloric Acid in our database. It appears in Section 14 of the SDS, on shipping papers and on hazmat placards and labels.

DOT hazard classification

• Hydrochloric acid
• UN1789
• Class 8 Corrosive material (49 eCFR § 173.136)

Emergency Response Guidebook

• 2186 125

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