Malachite Green

Malachite Green (Basic green-4): Green crystal powder with a metallic lustre, very soluble in water, extremely soluble in ethanol, solutions are blue-green; basic green dyes become yellow in high concentration sulphuric acid, becomes dark orange when diluted; basic green becomes orange in high concentration nitric acid, becomes brownish orange when diluted.
Application of Basic Green: Used for dyeing of silk, wool, cotton, paper, bamboo, weed, straw, leather, linen and some chemical fibers. Basic green is also used in making of color lake, solvent dyes and positive ion dyes.