Difference between revisions of "Chromium oxide hydrate"
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viridian; transparent chrome oxide; Pigment Green 18; CI 77289; hidróxido de cromo (Esp.); hydroxyde de chrome (Fr.); idrossido di cromo (It.); hidróxido de crómio (Port.); chromic hydrate; chromic hydroxide; chromium hydroxide; chromium hydrate; Guignet's green; chromic oxide gel; hydrous chromic oxide | viridian; transparent chrome oxide; Pigment Green 18; CI 77289; hidróxido de cromo (Esp.); hydroxyde de chrome (Fr.); idrossido di cromo (It.); hidróxido de crómio (Port.); chromic hydrate; chromic hydroxide; chromium hydroxide; chromium hydrate; Guignet's green; chromic oxide gel; hydrous chromic oxide | ||
| + | [[[SliderGallery rightalign|Viridian, chromium oxide green (bottle 405).TIF~FTIR (MFA)|ViridianUCL.jpg~Raman|viridian632.jpg~Raman|f412sem.jpg~SEM|f412edsbw.jpg~EDS]]] | ||
| − | + | ==Risks == | |
| − | + | * Toxic by ingestion, inhalation and skin contact. | |
| + | * Suspected carcinogen. | ||
| − | Soluble in acid and alkali. Insoluble in water. Decomposes to chromic oxide with heat. | + | ==Physical and Chemical Properties== |
| + | |||
| + | * Soluble in acid and alkali. Insoluble in water. | ||
| + | * Decomposes to chromic oxide with heat. | ||
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| − | == | + | ==Resources and Citations== |
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* Reed Kay, ''The Painter's Guide To Studio Methods and Materials'', Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983 | * Reed Kay, ''The Painter's Guide To Studio Methods and Materials'', Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983 | ||
Latest revision as of 14:27, 29 May 2022
Description
A transparent, green gelatinous mass. Chromium oxide hydrate, commonly called Viridian, is used as a pigment, a tanning agent and as a mordant for textile dyeing.
Synonyms and Related Terms
viridian; transparent chrome oxide; Pigment Green 18; CI 77289; hidróxido de cromo (Esp.); hydroxyde de chrome (Fr.); idrossido di cromo (It.); hidróxido de crómio (Port.); chromic hydrate; chromic hydroxide; chromium hydroxide; chromium hydrate; Guignet's green; chromic oxide gel; hydrous chromic oxide
Risks
- Toxic by ingestion, inhalation and skin contact.
- Suspected carcinogen.
Physical and Chemical Properties
- Soluble in acid and alkali. Insoluble in water.
- Decomposes to chromic oxide with heat.
| Composition | Cr(OH)3 |
|---|---|
| Molecular Weight | mol. wt. = 103.02 |
Resources and Citations
- Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2281