Direct red 75
Properties
- Molecular formula
- C33H22N8Na4O15S4
- Molar mass
- 990.78 g/mol
- Exact mass
- 989.9678 Da
- logP
- 4.52Crippen estimate
- Polar surface area
- 404.0 Ų
- H-bond donors / acceptors
- 10 / 17
- Rotatable bonds
- 10
Hazards
No GHS classification is on file for this compound. That is not evidence that it is harmless.
Identifiers
CAS number
2829-43-8SMILES
Nc1ccc2cc(S([O-])(=O)=O)cc(O)c2c1N=Nc1ccc(NC(=O)Nc2ccc(N=Nc3c(N)ccc4cc(S([O-])(=O)=O)cc(O)c34)c(S([O-])(=O)=O)c2)cc1S([O-])(=O)=O.[Na+].[Na+].[Na+].[Na+]InChI
The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.
Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
56 names · show all
- 2-Naphthalenesulfonic acid, 5,5′-[carbonylbis[imino(2-sulfo-4,1-phenylene)-2,1-diazenediyl]]bis[6-amino-4-hydroxy-, sodium salt (1:4)
- C.I. Direct Red 75, tetrasodium salt
- 2-Naphthalenesulfonic acid, 5,5′-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]bis[6-amino-4-hydroxy-, tetrasodium salt
- C.I. Direct red 75
- Chlorazol fast pink
- C.I. 25380
- Aizen primula pink 2BLH
- Aizen Primula Pink 2BLH special
- Amanil fast pink 2B
- Atlantic fast pink 2BL
- Belamine fast pink BL
- Benzanil fast pink BK
- Calcodur pink 2BL
- Chloramine fast pink BK
- Chlorantine fast pink 2B
- Chlorantine fast red 2B
- Chlorazol fast pink BK
- Chrome leather pink B
- Diazol light pink 2B
- Diphenyl blue red B
- Diphenyl fast pink BF
- Diphenyl fast pink BK
- Direct fast pink B
- Direct fast pink 4BL
- Direct light pink M 2BL
- Eliamina pink 2BL
- Fastusol pink BBA-CF
- Fastusol pink BBL
- Fenaluz pink 2B
- Helion pink 2B
- Paranol fast pink 2BL
- Pyrazoline pink 4BL
- Saturn pink 2B
- Sirius pink 4BL
- Sirius pink BB
- Sirius supra rubine B
- Solantine pink 4BL
- Solar rubine CB
- Solius pink 2B
- Suprazo pink 2B
- Suprexcel pink BL
- Tertrodirect fast rose 2B
- Triantine fast pink B
- Triantine light pink B
- Direct fast pink S
- Direct fast rose S
- Direct lightfast pink S
- Direct lightfast rose S
- Lightfast rose S
- Diphenyl pink EBE
- Benzo fast pink 2BL
- Chlorazol fast pink 2BL
- Sirius rose BB
- Calcodur pick 2BL
- Sirius pink 2B
- Direct pink 2B
Work with Direct red 75
Similar compounds
2-Naphthalenesulfonic acid, 7,7′-(carbonyldiimino)bis[4-hydroxy-, sodium salt (1:2)20324-87-254 % similar
Ponceau 4R2611-82-749 % similar
Orange G1936-15-847 % similar
Acid chrome blue K3270-25-547 % similar
Acid red 735413-75-246 % similar
Direct orange 263626-36-645 % similar
Trypan blue72-57-144 % similar
Chrome dark blue1058-92-044 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.