1. Molecular formula: C20H13N2NaO5S |
2. Molecular weight:416.38 |
3. Structure formula: |
4. CAS NO.:6480-78-1 |
5. Appearance: Blue 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 25KG cartons, allows to be tansported by the general means. |
Acid Blue 25
Properties and Applications：
blue. Blue powder. The little blue soluble in water, but soluble in acetone, ethanol, slightly soluble in benzene, four hydrogen naphthalene, insoluble in nitrobenzene and xylene. Meet strong sulfuric acid as dark, after diluted blue precipitation. Mainly used for dyeing nylon, polyamide for supporting the dye. Can also be used for wool, silk and blended fabric dyeing and printing directly. Can also be used in leather, electrical-controlled aluminum soap and color.
Acid Blue 25
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 3-4 | 4 | 3 | 3 | |||
| AATCC | 4-5 | 1-2 | 1-2 | 4 | 1-2 | 2 | ||
Acid Blue 25
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