UN/NA Number Reference
DOT Class 5.1 Oxidizer placard

UN 1472: Lithium peroxide

49 CFR 172.101 Hazardous Materials Table·ERG 2024

DOT Classification and Shipping

UN 1472 is assigned the proper shipping name Lithium peroxide in the U.S. DOT Hazardous Materials Table (49 CFR 172.101). It is classified as a Class 5.1 Oxidizer material, Packing Group II. Required label(s): 5.1.

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 144)

Hazards: Oxidizer. Reacts with water. May produce toxic or corrosive solutions.

Fire: DO NOT use water directly. Use dry chemical, sand.

Spill: Keep material dry. Keep combustibles away.

Chemical and Physical Properties

Lithium peroxide appears as a white powder or sandy yellow granular solid. Irritates skin, eyes and mucous membranes. Used to produce a supply of high-purity oxygen.

CAS Number: 12031-80-0
Molecular Formula: Li2O2
Molecular Weight: 45.9 g/mol
Color / Form: Fine white powder to sandy yellow, granular material; moisture sensitive colorless hexagonal crystals
Melting Point: Decomposes at melting point
Specific Gravity: 2.31 g/cu cm
Water Solubility: 8% in water at 20 C

Special Provisions

49 CFR 172.102 special provision codes for this entry: A9, IB6, IP2, N34, T3, TP33, W100. These codes modify the general requirements (packaging, quantity limits, exceptions) for this specific material. Look up each code in 49 CFR 172.102 for the full text.

Need the full interactive record? Open UN 1472 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.