Difference between revisions of "Copper hydroxide"
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cupric hydroxide; copper oxide hydrated; copper hydrate | cupric hydroxide; copper oxide hydrated; copper hydrate | ||
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| − | == | + | Toxic by inhalation and ingestion. |
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| + | == Physical and Chemical Properties == | ||
Soluble in acids, ammonium hydroxide. Insoluble in water. | Soluble in acids, ammonium hydroxide. Insoluble in water. | ||
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* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2709 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2709 | ||
Revision as of 12:08, 27 October 2020
Description
A bright blue-green gel or light blue powder. Cupric hydroxide will decompose with time or heat to form black copper oxide. It is used as a source for Copper salts and as a mordant in dyeing textiles. Copper hydroxide reacts with Ammonium hydroxide to form the cuprammonium ion that is capable of dissolving Cellulose. It is used in the manufacture of rayon. Copper hydroxide has also been reported as a component in marine corrosion crusts on copper alloys (Scott 1997).
Synonyms and Related Terms
cupric hydroxide; copper oxide hydrated; copper hydrate
Risks
Toxic by inhalation and ingestion.
Physical and Chemical Properties
Soluble in acids, ammonium hydroxide. Insoluble in water.
| Composition | Cu(OH)2 |
|---|---|
| CAS | 20427-59-2 |
| Melting Point | decomposes |
| Density | 3.368 |
| Molecular Weight | mol. wt. = 97.56 |
Resources and Citations
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2709
- David Scott, 'Copper Compounds in Metals and Colorants: Oxides and Hydroxides', Studies in Conservation, 42, 93-100, 1997
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982