Molecular formula :
nature : also known as methyl Qinglian (Methyl Violet), CI alkaline Purple 3 (C. I. Basic Violet 3), "Chinese Pharmacopoeia" said methyl violet (methylrosaniline chloride), also known as chloride (Gentian Violet), its solution commonly known as "Jersey." Green crystals with a metallic sheen or dark green crystalline powder. Soluble in alcohol, chloroform-soluble, water-soluble, non-soluble ether. Since the crystallization of water are nine elements crystal water. Toxicity : rats and mice by mouth LD50 were 1.0 and 1.2g/kg. Method : (1) 4,4 '- bis (dimethylamino) benzophenone with N, N-dimethylaniline and PCl3 condensation; (2) N, N-dimethylaniline in ZnCl k2 presence and phosgene reaction; (3) bis (dimethylamino) phenyl-2 methanol and N, N-dimethylaniline condensation, and proceeds via oxidation products. For colorimetric determination of zinc, mercury, tungsten; For pH indicator (0.5 ~ 2.0 Green Blue); For dyeing silk, wood, paper, biological staining; Medical Sterilization-medicine.
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