Silver sulfide

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A grayish-black powder. Silver sulfide, or silver glance, is an important silver ore. It is used as a black colorant in ceramic glazes and for Niello metal work.

Synonyms and Related Terms

silver (I) sulfide; silver sulphide; argentous sulfide; argentite; silver glance; vitreous silver; sulfide of silver


  • Sensitive to light.
  • Contact may cause irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in concentrated sulfuric and nitric acids. Insoluble in water.

Composition Ag2S
CAS 21548-73-2
Melting Point 825 C
Density 7.32 g/ml
Molecular Weight mol. wt. = 247.8

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 726
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8677
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

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