Direct black 22
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- 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;
Molecular Structure:
If you are sourcing Direct black 22 from China ,just feel free to inquire
Contact us
Company： |
Dynasty Chemicals Co., Ltd. |
E-mail： |
chem@netsun.com |
Address： |
A2-802,NO.201 LANTIAN ROAD, NINGBO CHINA, |
Zip Code： |
315000 |
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