4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodium salt
Properties
- Molecular formula
- C16H9N3Na2O10S2
- Molar mass
- 513.36 g/mol
- Exact mass
- 512.9525 Da
- logP
- 2.31Crippen estimate
- Polar surface area
- 217.1 Ų
- H-bond donors / acceptors
- 4 / 10
- Rotatable bonds
- 5
Hazards
No GHS classification is on file for this compound. That is not evidence that it is harmless.
Identifiers
CAS number
548-80-1SMILES
[O-][N+](=O)c1ccc(N=Nc2c(O)c3c(O)cc(S([O-])(=O)=O)cc3cc2S([O-])(=O)=O)cc1.[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
14 names · show all
- C.I. 16575
- Chromotrope 2B
- Chromotrope red 4B
- Naphtocard fast red 3B
- p-Nitrobenzeneazochromotropic acid sodium salt
- C.I. Mordant black 93
- Cr-2B
- Poly-chromotrope 2B
- PCR 2B
- 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
- C.I. Acid red 176
- C.I. Acid Red 176, disodium salt
- 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt
- 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(p-nitrophenylazo)-, disodium salt
Work with 4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodium salt
Similar compounds
Amido black 10B1064-48-870 % similar
C.I. Acid black 28005-03-670 % similar
Acid chrome blue K3270-25-565 % similar
Direct blue 62602-46-261 % similar
Chrome dark blue1058-92-061 % similar
Nitrazine yellow5423-07-459 % similar
Red 2G3734-67-653 % similar
Diaminogene velour black B2429-73-453 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.