Difference between revisions of "Gold trichloride"
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== Description == | == Description == | ||
| − | Dark orange crystals that decompose with light or heat. An aqueous solution is called chlorauric acid or acid gold trichloride. Gold trichloride is used as a toner for black and white photographs. It is also used as a glaze for ceramics, enameling glass and making [ | + | Dark orange crystals that decompose with light or heat. An aqueous solution is called chlorauric acid or acid gold trichloride. Gold trichloride is used as a toner for black and white photographs. It is also used as a glaze for ceramics, enameling glass and making [[ruby glass]]. Other uses of gold trichloride include gold plating and the production of fine gold powder. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 08:51, 16 January 2014
Description
Dark orange crystals that decompose with light or heat. An aqueous solution is called chlorauric acid or acid gold trichloride. Gold trichloride is used as a toner for black and white photographs. It is also used as a glaze for ceramics, enameling glass and making Ruby glass. Other uses of gold trichloride include gold plating and the production of fine gold powder.
Synonyms and Related Terms
auric chloride; auric trichloride; gold (III) chloride
Other Properties
Soluble in water, ethanol and ether.
| Composition | AuCl3 |
|---|---|
| CAS | 13453-07-1 |
| Density | 3.9 |
| Molecular Weight | mol. wt. = 303.32 |
| Boiling Point | 229 |
Hazards and Safety
Decomposes with heat. Very hygroscopic. Contact, inhalation, and ingestion cause irritation and blisters. May cause severe allergic reactions.
Fisher Scientific: MSDS
Authority
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4542
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979