3-[(4-Formylphenyl)Diazenyl]-4,5-Dihydroxy-2,7-Naphthalenedisulfonic Acid
[CAS# 25317-06-0]

Identification

• Name: 3-[(4-Formylphenyl)Diazenyl]-4,5-Dihydroxy-2,7-Naphthalenedisulfonic Acid
• Synonyms: chromotropic acid, 4-formylphenylazo-
• Molecular Formula: C₁₇H₁₂N₂O₉S₂
• Molecular Weight: 452.42
• CAS Registry Number: 25317-06-0
• SMILES: c1cc(ccc1C=O)N=Nc2c(cc3cc(cc(c3c2O)O)S(=O)(=O)O)S(=O)(=O)O
• InChI: 1S/C17H12N2O9S2/c20-8-9-1-3-11(4-2-9)18-19-16-14(30(26,27)28)6-10-5-12(29(23,24)25)7-13(21)15(10)17(16)22/h1-8,21-22H,(H,23,24,25)(H,26,27,28)
• InChIKey: BXGFPMHXFNPUKK-UHFFFAOYSA-N

Properties

• Density: 1.761g/cm³ (Cal.)
• Refractive index: 1.735 (Cal.)