| Category : |
Dyestuffs and Pigments/Direct Dyes |
 |
| CAS NO : |
6473-13-8 |
| EC NO : |
229-326-3 |
| MF : |
C44H32N13Na3O11S3 |
| MW : |
1083.9697 |
| Specification : |
Standard 150%-200% ; 600%-800% |
| Packing : |
25kg/bag (PP) ;or as the customers'requirement. |
| Uses : |
used for cotton, viscose, silk and printing,also used for nylon and wool dyeing and widely used in leather, paper and wood color |
| Synonyms : |
C.I. Direct Black 22;2-Naphthalenesulfonic acid, 6-(2-(2,4-diaminophenyl)diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:3);C.I. 35435;Direct Black 22;trisodium 6-[(E)-(2,4-diaminophenyl)diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl}diazenyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-hydroxynaphthalene-2-sulfonate; |
| Molecular Structure : |
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