Product Name: Direct Red 83
C.I. No.: 29225
CAS No.: 15418-16-3
Molecular Formula: C33H20N6Na4O17S4
Molecular Weight: 992.77
Relative Name:
Direct Red D-BL,Direct Fast Rubin BLL,Direct Red 3BL.
Shade: Blue and red to red light purple powder
Direct Red 83 Physical Properties and light fastness, solubility.
| Direct Red 83 | |
| Dyeing depth % | 2 |
| Insolubles % | 0.15 |
| Light Fastness | 5-6 |
| Washing Fatness | 2 |
| Rubbing fastness(dry) | 4-5 |
| Rubbing fastness(wet) | 3 |
Soluble in water for product red, soluble in ethanol is shallow purple. The strong sulfuric acid forviolet black, diluted red to orange to brown. The dye solution to join strong hydrochloric acid for purplish red color to red sauce, precipitation; Add thick sodium hydroxide solution for wine red, have precipitation.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
