1. Molecular formula: C37H36N2O9S3Na.2H3N |
2. Molecular weight:792.85 |
3. Structure formula: |
4. CAS NO.:2650-18-2 |
5. Appearance: Blue powder. |
6. Specification: Strength 200% 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 9
Properties and Applications：
colourful green light blue. Violet powder, soluble in water, in 90 ℃ water solubility of 50 g/L, soluble in ethanol. The strong sulfuric acid in orange, dilute yellowish later. The water solution is green light blue dye, add sodium hydroxide after it shows colorless, and you have a deep purple precipitation. Good levelness, white sex is better, for copper, iron ion sensitive, dyeing should pay attention, or influence colored light. This product used for wool, silk,nylon with wool blended fabric dyeing and printing. Can also be used as a Food Dyes and Oganic pigments, also used for paper shading and anti-epidemic field, can also be used in leather color.
Acid Blue 9
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 3 | 3 | 3 | 3 | ||
| AATCC | 1 | 4 | 4 | 2 | 2 | 3-4 | ||
Acid Blue 9