C.I.Acid Green 25,C.I.61570,CAS 4403-90-1,622.58,Weak Acid Green AGS,Weak Acid Green GS,Acid Green GK,Acid Green GS,Acid Green P-3B,Acid Green P-GSL,Neutral Green GK,VibraColor Green AGR25
Product Parameters
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.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 3 | 2 | 4 | 2 | 1 | 4 | 3-4 |
| AATCC | 5 | 4 | 4 | 3 | 3 | 3 | 4 | 4 |
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