4-((2,4-Dihydroxyphenyl)azo)-5-hydroxynaphthalene-2,7-disulphonic acid
[CAS# 3627-01-8]

Identification

• Name: 4-((2,4-Dihydroxyphenyl)azo)-5-hydroxynaphthalene-2,7-disulphonic acid
• Synonyms: 4-Hydroxy-5-[(2E)-2-(2-Hydroxy-4-Oxo-1-Cyclohexa-2,5-Dienylidene)Hydrazinyl]Naphthalene-2,7-Disulfonic Acid; 4-Hydroxy-5-[N'-(2-Hydroxy-4-Oxo-1-Cyclohexa-2,5-Dienylidene)Hydrazino]Naphthalene-2,7-Disulfonic Acid; 4-Hydroxy-5-[(N'e)-N'-(2-Hydroxy-4-Oxo-1-Cyclohexa-2,5-Dienylidene)Hydrazino]Naphthalene-2,7-Disulfonic Acid
• Molecular Formula: C₁₆H₁₂N₂O₉S₂
• Molecular Weight: 440.40
• CAS Registry Number: 3627-01-8
• EINECS: 222-843-5
• SMILES: C2=C3C(=C(N\N=C1\C(=CC(=O)C=C1)O)C=C2[S](O)(=O)=O)C(=CC(=C3)[S](O)(=O)=O)O
• InChI: 1S/C16H12N2O9S2/c19-9-1-2-12(14(20)5-9)17-18-13-6-10(28(22,23)24)3-8-4-11(29(25,26)27)7-15(21)16(8)13/h1-7,18,20-21H,(H,22,23,24)(H,25,26,27)/b17-12+
• InChIKey: CYJIGBWVVZHXRF-SFQUDFHCSA-N

Properties

• Density: 1.828g/cm³ (Cal.)