Direct Black 19
CAS 6428-31-5 · C34H27N13Na2O7S2 · 839.77 g/mol
Basic information
| CAS number | 6428-31-5 |
|---|---|
| Product name | Direct Black 19 |
| Chinese name | 直接黑19 |
| Synonyms | disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate |
| Chinese synonyms | 直接黑19; 直接黑 G; 直接耐晒墨 L-3BG; 4-氨基-3,6-双[[4-[(2,4-二氨基苯基)偶氮]苯基]偶氮]-5-羟基萘-2,7-二磺酸二钠盐 |
| Molecular formula | C34H27N13Na2O7S2 |
| Molecular weight | 839.77 g/mol |
| EC number | 229-208-1 |
Certificate of Analysis
A Certificate of Analysis is provided with every batch. Request the COA and product specification together with your quotation.
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Bulk quantities and custom packaging are available on request.
Properties & storage
| Refractive index | 1.817 |
|---|