China Suppliers > SHIJIAZHUANG HE DYE CHEM CO.,LTD.. > Direct Black 22
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- Region :China/Hebei
- Tel : +86-311-87756733
- Fax : +86-311-87774370
- Email :panlei@pldyes.com
- URL :www.pldyes.com
- Add :NO. 26 ZHONGJIU ROAD SHIJIAZHUANG CHINA
- Details for Direct Black 22
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Direct Black 22 6473-13-8
Category : Dyestuffs and Pigments
CAS NO : 6473-13-8 EC NO : 229-326-3 MF : C44H32N13Na3O11S3 MW : 1083.9697 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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Direct Black 22