CA Index Name: C.I. Basic Violet 1
Other Names: Methyl Violet; Aizen Methyl Violet BB; Aizen Methyl Violet Pure Special; Basic Violet 1; Basic Violet 5BN; Basic Violet K; Basonyl Violet 600; C Ext. Violet 5; C.I. 42535; Gentian Violet B; Methyl Violet 2B; Methyl Violet 6B; Methyl Violet B; Methyl Violet BB; Methyl Violet FN; Methyl Violet N; Methyl Violet Pure Special; Methyl Violet Pure SP; Paris Violet R; Pyoktanin Blue; Pyoktaninum coeruleum; Violet Powder H 2503
Merck Index Number: Not listed
Chemical / Dye Class: Triphenylmethane
Molecular Formula: Mixture (tetra, penta and hexa) of the hydrochloride salts of N-methylated forms of pararosanilines, predominantly the penta (chemical structure given above)
Molecular Weight: Weight Mixture (tetra, penta and hexa) of the hydrochloride salts of N-methylated forms of pararosanilines, predominantly the penta (chemical structure given above)
Physical Form: Green to dark green crystalline powder
Solubility: Soluble in water, ethanol; insoluble in xylene
Melting Point: 137 °C (decompose)
pH Range: 0.15-3.2
Color Change at pH: Yellow (0.15) to violet (3.2)
Absorption (λmax): 584 nm
Synthesis: Synthetic method
Staining Applications: Bacteria; cells; fish; heparin; nematicide granules; nucleic acids; polypeptides; proteins; skin; carious tissue; viscous tissue; keratin fibers; hairs
Biological Applications: Antimalarial agent; detecting enzyme activity protein-protein interactions; treating diabetes, ringworm; agrochemicals; pesticides; cosmetics; wound dressing materials
Industrial Applications: Solar cells; solar energy; display devices; photoresists; inks; toners; highlighters; adhesives; detergent; packaging materials; lithium battery; rubber; cement; stainless steel; petroleum products; leather; paper; textiles
Safety / Toxicity: Acute toxicity; aquatic toxicity; carcinogenicity; microbial toxicity; mutagenicity
Certification / Approval: Certified by Biological Stain Commission (BSC)