Direct black GF
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- Category :
Dyestuffs and Pigments/Direct Dyes
- CAS NO : 6473-13-8
- EC NO : 229-326-3
- Molecular Formula : C44H32N13Na3O11S3
- Main Specifications : Standard 150%-200%
- 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;
Package: 25kg/bag ,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.
Molecular Structure:
Product description:
Direct Black GF
CAS No.:6473-13-8
MF:C44H32N13Na3O11S3
Dyeing Cotton and Viscose Fabric.Also can dying Sik and Nylon Fabric
The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.
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