Difference between revisions of "Silver cyanide"
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D. Strahan "Treatment of a Silver Dragon for the Removal of Silver Cyanide and Chalconatronite" ''JAIC'', 25: 73-81, 1986. | D. Strahan "Treatment of a Silver Dragon for the Removal of Silver Cyanide and Chalconatronite" ''JAIC'', 25: 73-81, 1986. | ||
| − | == | + | == Sources Checked for Data in Record == |
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Revision as of 17:29, 1 May 2016
Description
White or gray, granular powder that darkens on exposure to light. Silver cyanide is used primarily for silver plating. Some chemical tarnish removal methods use dilute cyanide solutions for dipping followed by a water rinse. Cyanide solutions will react with silver to produce silver cyanide residues which are highly toxic.
Other Properties
Soluble in solutions of ammonium hydroxide, nitric acid, potassium cyanide, potassium ferricyanide and sodium thiosulfate. Insoluble in water.
| Composition | AgCN |
|---|---|
| CAS | 506-64-9 |
| Melting Point | 320 (dec) |
| Density | 3.95 |
| Molecular Weight | mol. wt. = 133.89 |
| Refractive Index | 1.685, 1.94 |
Hazards and Safety
Highly toxic by ingestion, inhalation or skin absorption.
Mallinckrodt Baker: MSDS
Additional Information
D. Strahan "Treatment of a Silver Dragon for the Removal of Silver Cyanide and Chalconatronite" JAIC, 25: 73-81, 1986.
Sources Checked for Data in Record
- 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 8655
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index = 1.685, 1.94