Silver oxide

Jump to navigation Jump to search


Dark brown or black powder. Silver oxide is used for polishing glass and for coloring glass yellow. It has also been used at excavation sites for the treatment of Bronze disease. However, it is not as effective as Benzotriazole and can leave dark spots on the surface. Silver oxide is used medicinally as a germicide.

Synonyms and Related Terms

argentous oxide; argenticoxide; silver peroxide; disilver oxide


  • Fire and explosion risk in contact with organic materials or ammonia.
  • ecomposes in sunlight to form metallic silver and oxygen.
  • Contact may cause iiritation and staining.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in solutions of ammonium hydroxide, potassium cyanide sodium thiosulfate and nitric acid. Slightly soluble in water. Insoluble in ethanol.

Composition Ag2O
CAS 20667-12-3
Melting Point 300 C (dec)
Density 7.14-7.22 g/ml
Molecular Weight mol. wt. = 231.74

Resources and Citations

  • Marie Svoboda, Conservation Survey Index, unpublished, 1997
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998