Product Name: Direct Red 13
C.I. No.: 22155
CAS No.: 1937-35-5
Molecular Formula: C32H22N6Na2O7S2
Molecular Weight: 712.66
Relative Name:
Direct bordeaux B B,Direct bordeaux B GB,Direct bordeaux B
Shade: red. Brown powder.
Direct Red 13 Physical Properties and light fastness, solubility.
| Direct Red 13 | |
| Dyeing depth % | 2 |
| Insolubles % | 0.15 |
| Light Fastness | 4-5 |
| Washing Fatness | 2 |
| Rubbing fastness(dry) | 4 |
| Rubbing fastness(wet) | 3 |
Soluble in water for wine red, in ethanol for quality in red, soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for blue, Red sauce for diluted, precipitation; In the light of nitric acid for palm yellow: dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation. Cellulose fiber of dyeing, the dye absorption rate as well, 80 ~ 100 ℃ maximum affinity.
Mainly used for cotton and glue dyeing and printing, also can be used for silk, polyamide, viscose/polyamide fiber blended fabric dyeing, can also be used for the paper and leather color.
Package, 25KG/DRUM, CARTON BOX, BAG
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.
