Difference between revisions of "Cobaltous phosphate"
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== Description == | == Description == | ||
| − | A medium to strong violet pigment with a reddish hue. Cobaltous phosphate, or [http://cameo.mfa.org/materials/fullrecord.asp?name=cobalt | + | A medium to strong violet pigment with a reddish hue. Cobaltous phosphate, or [http://cameo.mfa.org/materials/fullrecord.asp?name=cobalt%20violet%2C%20deep deep cobalt violet], was first prepared in 1859. It is a permanent pigment but it has low tinting strength. It dries quickly in [http://cameo.mfa.org/materials/fullrecord.asp?name=oil%20paint oil paints]. Cobaltous phosphate is also used as a colorant in [http://cameo.mfa.org/materials/fullrecord.asp?name=glass glass], [http://cameo.mfa.org/materials/fullrecord.asp?name=glaze glazes], [http://cameo.mfa.org/materials/fullrecord.asp?name=enamel%2C%20inorganic enamels], and [http://cameo.mfa.org/materials/fullrecord.asp?name=plastic plastics]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 33: | Line 33: | ||
== Authority == | == Authority == | ||
| − | * | + | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2508 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2508 | ||
| − | * | + | * Thomas B. Brill, ''Light Its Interaction with Art and Antiquities'', Plenum Press, New York City, 1980 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 06:49, 24 July 2013
Description
A medium to strong violet pigment with a reddish hue. Cobaltous phosphate, or deep cobalt violet, was first prepared in 1859. It is a permanent pigment but it has low tinting strength. It dries quickly in oil paints. Cobaltous phosphate is also used as a colorant in glass, glazes, enamels, and plastics.
Synonyms and Related Terms
cobalt phosphate; Pigment Violet 14; CI 77360; fosfato de cobalto (Esp., Port.); violeta de cobalto (Esp.); phosphate de cobalt (Fr.); fosfato di cobalto (It.); cobalt violet, deep
Other Properties
Soluble in mineral acids. Insoluble in water.
| Composition | Co3(PO4)2 - 8H2O |
|---|---|
| CAS | 13455-36-2 |
| Density | 2.769 |
| Molecular Weight | mol. wt. = 366.74 |
Hazards and Safety
Skin contact may cause allergies, especially on elbows, neck and ankles. Chronic inhalation may cause asthma. Ingestion may cause vomiting, diarrhea and the sensation of hotness.
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2508
- Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980