Basic Malachite Green (Crystal) Other Name: Basic Green, Malachite Green, Basic Brilliant Green C.I.No.: C.I.Basic Green 4(42000) ***SPECIFICATION*** Appearance: green flash blocky crystal. Strength:100% standard Shade:similar to standard Water-insoluble Impurities: 5% Max. Moisture Content: 6% Max. Main Uses: can be used in the dyeing of acrylic fibres, silk, wool and cotton fiber; also applied in the dyeing of leather, hemp, bamboo, wood, paper and mosquito-repellent incense; Widely used in the color matching of cationic black and as bactericide and fish medicine in fish breeding industry.