Silver Oxide
Title: Silver Oxide
CAS Registry Number: 20667-12-3
Additional Names: Argentous oxide
Molecular Formula: Ag2O
Molecular Weight: 231.74
Percent Composition: Ag 93.09%, O 6.90%
Literature References: Prepd by making sol silver salt solns alkaline: Madsen, Z. Anorg. Allg. Chem. 79, 197 (1913). Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969).
Properties: Brownish-black, heavy, odorless powder. d425 7.22. Begins to dec at about 200° and at 250-300° decompn is rapid; it also breaks up into its constituents in sunlight. Reduced by hydogen, carbon monoxide and most metals. Moist silver oxide absorbs carbon dioxide. Sol in 40,000 parts water; freely sol in dil nitric acid, in ammonia; somewhat sol in NaOH solns. Practically insol in alcohol. Protect from light. LD50 orally in rats: 2.82 g/kg (Smyth).
Density: d425 7.22
Toxicity data: LD50 orally in rats: 2.82 g/kg (Smyth)
Use: As catalyst; in the purification of drinking water; in the glass industry (polishing, coloring glass yellow).
Therap-Cat-Vet: Has been used as germicide and parasiticide.

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