UN 1058: Liquefied gases, non-flammable

DOT Classification and Shipping

UN 1058 is assigned the proper shipping name Liquefied gases, non-flammable in the U.S. DOT Hazardous Materials Table (49 CFR 172.101). It is classified as a Class 2.2 Non-Flammable Gas material. Required label(s): 2.2.

Packing group indicates the degree of danger within a hazard class: PG I is high danger, PG II medium, PG III low. The proper shipping name, hazard class, UN number, and packing group together form the basic shipping description that must appear on shipping papers and, where required, on the package and placard.

Emergency Response (ERG Guide 120)

Hazards: Vapors may cause dizziness or asphyxiation. Contact with liquid may cause frostbite. Containers may rocket if heated.

Fire: Use agent appropriate for surrounding fire. Cool containers with water.

Spill: Do not touch. Stop leak if safe. Use water spray to reduce vapor. Ventilate area.

Need the full interactive record? Open UN 1058 in the SpillNerd lookup tool for the live database entry with placard graphics, GHS pictograms, full segregation tables, and synonym search. For another material, use the UN number and chemical lookup.

Reference data compiled from the DOT Hazardous Materials Table (49 CFR 172.101), the 2024 Emergency Response Guidebook, and public chemical databases (PubChem, NIOSH, EPA). Always verify the correct shipping description against the current regulation and the manufacturer's SDS Section 14 before shipping.