UN/NA Number Reference
DOT Class 1.4S Explosive placard

UN 0044: Primers, cap type

49 CFR 172.101 Hazardous Materials Table·ERG 2024

DOT Classification and Shipping

UN 0044 is assigned the proper shipping name Primers, cap type in the U.S. DOT Hazardous Materials Table (49 CFR 172.101). It is classified as a Class 1.4S Explosive material. Required label(s): 1.4S.

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 114)

Hazards: May explode if heated. Risk of fire and minor blast. May produce irritating or toxic gases.

Fire: Flood with water from distance. Do not move cargo if exposed to heat. Fight fire from protected position.

Spill: Do not touch damaged containers. Keep combustibles away.

Need the full interactive record? Open UN 0044 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.

Check the source: Current DOT Hazardous Materials Table ยท Official Emergency Response Guidebook. This compiled record is not a shipment classification or a complete response procedure.