Hangzhou Emperor Chemical Co., Ltd.  

Product Name: Basic Green 4 with Shining Crystal Model NO.: Basic Green 4 C.I.No.: 42000 Content: 100% Name: Basic Green 4 Application Material: Leather Usage: Paper, Textile, Ink, Leather Appearance: Powder Colour: Green Formula: C23h25cln2 CAS No.: 569-64-2 Application: Paper, Leather, Ink, Cotton Form: Powder, Crystal, Liquid Trademark: EMPEROR Transport Package: 25kg/Bag, Drum, Carton Specification: basic dye Origin: China HS Code: 3204130000 Product Description Product Name:BASIC GREEN 4, MALACHITE GREENC.I. No.: 42000CAS No.: 569-64-2Molecular Formula: C23H25ClN2Molecular Weight: 364.91Relative name:Basic green4;Ethanedioate;Solid Green O;Basic Green 4;Light Green n;Malachite green.Basic GREEN 4 Physical Properties and light fastness.Light Fastness4-5Perspiration Fastness(fading)4-5Perspiration Fastness(stain)5 Soaping(fading)4-5 Soaping(stain)4-5Basic GREEN 4 Properties:bright blue light green. Green belt flash crystallization. Soluble in cold water and hot water are blue-green, easily soluble in ethanol are blue-green. The strong sulfuric acid for yellow, diluted into dark orange; In nitric acid to orange, diluted into orange brown. The dye solution to join sodium hydroxide formation microstrip green white precipitation; Add hydrochloric acid to red light yellow. Applications:Used in acrylic, silk, wool, vinegar fiber dyeing, also used in leather, hemp, bamboo, wood, paper, shading, also used in the manufacture color amylum, solvent dyePackage, 25KG/DRUM, CARTON BOX, BAG