Chemical Product Library / Reference
Direct Black 22
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Direct Black 22 |
|---|---|
| English synonyms | Direct black 22;C.I. DIRECT BLACK 22;Sodium 6-((2,4-diaminophenyl)diazenyl)-3-((4-((4-((7-((2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl)-2-sulfonatophenyl)amino)phenyl)diazenyl)-4-hydroxynaphthalene-2-sulfonate;CCRIS 1390;Formal Fast Black B;Direct Black 22, tech.;C.I. Direct Black 22, sodium salt;2-Naphthalenesulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, trisodium salt;Trisodium 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulphonato-2-naphthyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-4-hydroxynaphthalene-2-sulphonate;trisodium,(3Z)-6-[(2,4-diaminophenyl)diazenyl]-3-[[4-[4-[(2Z)-2-[7-[(2,4-diaminophenyl)diazenyl]-1-oxo-3-sulfonatonaphthalen-2-ylidene]hydrazinyl]-2-sulfonatoanilino]phenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate;2-Naphthalenesulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, sodium salt;Sodium 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulpho-2-naphthyl)azo)phenyl)amino)-3-sulphophenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate |
| Chinese name | Not provided |
| Chinese synonyms | Not provided |
| Chemical category | Dyes |
| CAS No. | 6473-13-8 |
| EINECS No. | 229-326-3 |
| Molecular formula | C44H32N13Na3O11S3 |
| Molecular weight | 1084 |
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 7; hydrogen-bond acceptors 24; TPSA 452 A^2; rotatable bonds 10
Application scenarios
Not provided