Methyl violet

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Methyl violet powder


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.)


PV3-3 methyl violet (magruder vm1140-dc).TIF

Chemical structure

Image3 802328.jpg

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

Fisher Scientific: 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:
  • Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980
  • Colour Index International online at