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Direct Black 22

Direct Black 22

Category :

Dyestuffs and Pigments

CAS NO : 6473-13-8
EC NO : 229-326-3
Molecular Formula : C44H32N13Na3O11S3
Main Specifications :
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
Molecular Structure:Direct Black 22 6473-13-8
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Company：
    Kelco Chemicals Co.,Ltd.
Contact：
   
Phone：
+86-21-62744350 62598819
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Fax：
 +86-21-62733549
E-mail：
 marketing@kelcochem.com
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 http://www.kelcochem.com
Address：
 Rm 601, Tianshan Manshion, No. 30, Tian Shan Road,Shanghai, 200336, China.
Zip Code：
 200336
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