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| Products： | Direct Black 80 |
| Synonyms： | trisodium 6-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-4-hydroxynaphthalene-2-sulphonate;DirectblackOB;2-Naphthalenesulfonic acid, 6-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo-3-4-4-amino |
| Cas No.： | 8003-69-8 |
| Molecular Formula： | C36H26N8O11S3.3Na |
| Molecular Structure： |  |
| Inquires： | Tel（WeChat）:13385832632 QQ:5303436 Email:sales@sichengchem.com |
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