Agent Name

Lithium oxide

CAS Number

12057-24-8

Formula

Li2-O

Major Category

Metals

Synonyms

Dilithium monoxide; Lithia; Dilithium oxide; [ChemIDplus] UN3262

Category

Metals, Inorganic Compounds

Description

White hygroscopic solid; [CHEMINFO] White odorless powder; Decomposes in water; [MSDSonline]

Sources/Uses

Used as a carbon dioxide absorbent and to make specialty glasses and ceramics; [CHEMINFO] Produced along with lithium hydroxide when lithium-aluminum alloys are heated by welding or cutting; [AIHA]

Comments

A corrosive substance that can cause pulmonary edema; [CHEMINFO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline] Lithium oxide forms lithium hydroxide, a corrosive, in the presence of moisture; Rats inhaling lithium combustion aerosols at 570-1500 mg/m3 for 14 days had coughing, respiratory distress, and showed predominantly laryngeal, but also pulmonary lesions; [AIHA]

Exposure Assessment
WEEL

Ceiling = 1 mg/m3

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive solid, basic, inorganic, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Neurotoxin

Other CNS Neurotoxin

Nephrotoxin

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: