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| Product Name: | Direct Black 19 |
| CAS Registry Number: | 6428-31-5 |
| EINECS: | 229-208-1 |
| Synonyms: | Direct Black 19;Disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate;-; |
| Molecular Structure: |
 |
| Molecular Formula: | C34H27N13Na2O7S2 |
| Molecular Weight: | 839.77 |
| Density: | 1.727g/cm3 |
| Flash Point: | |
| Refractive index: | 1.817 |
| Safety Statements: | Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx. |