Acid Green 25

Product Name:Acid Green 25 160%
Molecular Structure: anthraquinones

Molecular Formula:C₂₃H₁₈C₁N₄Na₂O₇S₂
Molecular Weight: 622.58
CAS Registry Number:4403-90-1
Manufacturing Methods : (a) anthracene-1,4,9,10-tetraol or 1,4-Dihydroxyanthracene-9,10-dione and anthracene-1,4,9,10-tetraol mixture with 2 moles of p-Methylaniline in the presence of boric acid condensation; (b) 1,4-Dichloroanthracene-9,10-dione and 2 Moore’s p-Methylaniline condensation, its product (C.I. Solvent Green 3, C.I. 61565) products, and translate into sodium salt.
Properties and Applications: blue light green. Green powder. Soluble in water, no solution at room temperature gather the tendency. Soluble in o-chlorophenol, slightly soluble in acetone, ethanol, Pyridine, insoluble in chloroform, toluene. The strong sulfuric acid dyes shows blackish green color, diluted Tracy turn blue; In nitric acid are brown. The little blue water solution, and a blue hydrochloric acid; Add sodium hydroxide is blue light green. Used for wool, polyamide, silk and their blended fabric dyeing and printing. Can also be used in leather, paper, cosmetics, soap, wood, electrical-controlled aluminum and biological color.
Counter Product:Acid Green NCG,Basovit Green 876,Sandolan Green MF-BL,VibraColor Green AGR25