disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate
CAS 8003-62-1 · C32H25 N9 O7 S2 . 2 Na · 755.69 g/mol
![Structure of disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate](https://chemsigma.com/chemicalStructure/80/8003-62-1.png)
Basic information
| CAS number | 8003-62-1 |
|---|---|
| Product name | disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate |
| Chinese name | 直接黑 FF |
| Synonyms | disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate |
| Chinese synonyms | 直接黑 FF; 直接黑9; C.I.直接黑9; 直接黑 L-N |
| Molecular formula | C32H25 N9 O7 S2 . 2 Na |
| Molecular weight | 755.69 g/mol |
| EC number | 232-321-9 |
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