Agent Name

Silver oxide

CAS Number

20667-12-3

Formula

Ag2-O

Major Category

Metals

Synonyms

Argentous oxide; Disilver oxide; Silver(I) oxide; Silver(1+) oxide; [ChemIDplus] UN3085

Category

Metals, Inorganic Compounds

Description

Brownish-black odorless solid; [Merck Index] Dark brown odorless powder; Insoluble in water (0.017 g/L); [Aldrich MSDS]

Sources/Uses

Used as a catalyst, in water treatment, and in the glass industry; Also has been used as a veterinary germicide and parasiticide; [Merck Index]

Comments

Decomposed by light; Absorbs carbon dioxide when moist; [Merck Index] A strong oxidizing agent; A mild eye irritant; May cause argyria; [CAMEO] Causes tetany, cyanosis, and diarrhea in oral lethal-dose studies of mice; [RTECS] An oxidizer that may cause fire on contact with combustible materials; Causes burns; Inhalation can cause corrosive effects on the upper respiratory tract and lungs; May cause argyria; [Alfa Aesar MSDS] See "Silver."

Exposure Assessment
MAK

0.01 mg/m3, inhalable fraction, as Ag (salts)

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Oxidizing solid, corrosive, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: