1. Molecular formula: C28H20N2Na2O8S2 |
2. Molecular weight:622.58 |
3. Structure formula: |
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4. CAS NO.:4403-90-1 |
5. Appearance: Green powder. |
6. Specification: Strength 160% powder & CDP. |
7. Usage: Mainly used for wool, silk and nylon dyeing and printing. |
8. Packing, storage and transportation: Packed with 25KGcartons, allows to be tansported by the general means. |
Properties and Applications：
Acid Green 25, Acid Green 25
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 |
Acid Green 25, Acid Green 25
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