Silver sulfide
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Description
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
Risks
- 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