Methyl violet
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Description
A blue-green powder that forms a deep violet aqueous solution. Methyl violet is a triphenylmethane dye that was synthesized in 1861 by Lauth. It has a very strong tinting strength and is used as a dye for Wood, Silk, and Paper. Methyl violet is also used in inks, as a biological stain, and as an acid-base indicator.
Synonyms and Related Terms
Basic Violet 1; CI 42535; Methyl Violet 2B; Solvent Violet 8 (base); Pigment Violet 3 (phosphotungstomolybdic acid salt); Methylviolett (Deut.); méthyl violet (Fr.); violeta de metilo (Esp., Port.); violetto metile (It.); methylviolet (Ned.)
Other Properties
Soluble in water, chloroform. Lightly soluble in ethanol, glycerol. Insoluble in ether.
| Composition | C24H28ClN3 |
|---|---|
| CAS | 8004-87-3 |
| Melting Point | 137 |
| Molecular Weight | mol. wt. = 393.96 |
Hazards and Safety
Mallinckrodt Baker: MSDS
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 4401
- Website address 1 Comment: www.straw.com/sig/dyehist
- Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980
- Colour Index International online at www.colour-index.org