1. Molecular formula: C60H36Cr2N9Na3O21S3 |
2. Molecular weight:1488.13 |
3. Structure formula: |
|
4. CAS NO.:5610-64-0 |
5. Appearance:Black powder. |
6. Specification: Strength 150% 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. |
Properties and Applications:
black. Dark brown powder. A red light black soluble in water, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in other organic solvents. Meet strong sulfuric acid is dark, dilute to create black precipitation; Meet nitric acid was yellow brown solution; In a rare dark-purple sodium hydroxide solution. Used for wool, polyamide, silk dyeing and printing, also used in leather and electrochemical dyeing aluminum shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6-7 | 4 | 4 | 4-5 | 4 | 4-5 | ||
| AATCC | 7 | 3-4 | 3-4 | 4-5 | 3 | 5 | ||
Looking for ideal Neolan Black WA Manufacturer & supplier ? We have a wide selection at good prices to help you get creative. All the Acid Black Dyes are quality guaranteed. We are China Origin Factory of Black Dyes. If you have any question, please feel free to contact us.