Chemical Product Library / Reference
C.I. Direct Red 239
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | C.I. Direct Red 239 |
|---|---|
| English synonyms | DIRECT RED 239;C.I. Direct Red 239;7,7'-(carbonyldiimino)bis4-hydroxy-3-(6-sulphonato-2-naphthyl)azonaphthalene-2-sulphonate (sodium salt);Tetrasodium 6,6'-{carbonylbis[azanediyl(1-hydroxy-3-sulfonatonaphthalene-6,2-diyl)diazene-2,1-diyl]}di(naphthalene-2-sulfonate) |
| Chinese name | Not provided |
| Chinese synonyms | Not provided |
| Chemical category | Dyes |
| CAS No. | 28706-25-4 |
| EINECS No. | 611-951-1 |
| Molecular formula | C41H24N6Na4O15S4 |
| Molecular weight | 1060.9 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Not provided
Performance characteristics
hydrogen-bond donors 4; hydrogen-bond acceptors 19; TPSA 393 A^2; rotatable bonds 6
Application scenarios
Not provided