Acid blue 74

• Catalog Number: ACM860220
• CAS: 860-22-0
• IUPAC Name: disodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
• Synonyms: Indigotine
• Molecular Weight: 466.35
• Molecular Formula: C16H8N2Na2O8S2
• Canonical SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)[O-])O.[Na+].[Na+]
• InChI: JFVXEJADITYJHK-UHFFFAOYSA-L
• InChI Key: InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17,19H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2
• Melting Point: >300 °C
• Density: 1.01g/ml
• Appearance: Purple powder
• Active Content: 95%
• pH: 7 (10g/l, H2O, 20°C)
• Physical State: Solid
• Typical Applications: Pigment