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Details
| Product Name | Direct Red 81， Direct Red 4B | ||||||
| Other Name | Direct Fast Red 4B | ||||||
| C. I. No | Direct Red 81 | ||||||
| CAS No | 2610-11-9 | ||||||
| EINECS No | 220-028-9 | ||||||
| Molecular Formula | C29H19N5Na2O8S2 | ||||||
| Molecular Weight | 675.6 | ||||||
| Application | Used for dyeing of cotton and Viscose (bluish red); also for dyeing of paper and leather. | ||||||
| Properties | |||||||
| Fiber | Acid Resistane | Alkali Resistence | Ironing | Light | soaping | Water Resistence | |
| AATCC | cellulose | 4 | 3~4 | 3 | 4~5 | 1 | 1 |
| ISO | cellulose | 4 | 3 | 2~3 | 4 | 1~2 | 1 |
Keyword：
Direct Red 4B
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Zhaobo Chemical - Tianjin Head Office
Address: XEDA Sci-Tech Park,Xiqing Economic-Technological Development Area,Tianjin,China.
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