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Direct Black 22

Direct Black 22

Category :

Dyestuffs and Pigments/Direct Dyes

CAS NO : 6473-13-8
EC NO : 229-326-3
Molecular Formula : C44H32N13Na3O11S3
Main Specifications : Standard 150%-200% ; 600%-800%
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;
Direct Black 22
Package: 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
Molecular Structure:Direct Black 22 6473-13-8
Product description:

Direct Black 22

Other Name : Direct Black GF ,VSF .

Strength: 150% -200%   ;   600%-800%

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.
used for cotton, viscose, silk and printing,also used for nylon and wool dyeing and widely used in leather, paper and wood color.
If you are sourcing Direct Black 22 from China ,just feel free to inquire
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Contact us
Company：
    Shijiazhuang Fuqiang Dye Co., Ltd.
E-mail：
 chem@netsun.com
Address：
 Dongsi, Jinzhou, Hebei, China
Zip Code：
 052260
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