C.I. Food Yellow 3

• Catalog Number: ACM2783940-1
• CAS: 2783-94-0
• IUPAC Name: disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
• Synonyms: 2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-sulfophenyl)azo)-, disodium salt
• Molecular Weight: 452.37
• Molecular Formula: C16H10N2Na2O7S2
• Canonical SMILES: C1=CC(=CC=C1N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+]
• InChI: OIQPTROHQCGFEF-UHFFFAOYSA-L
• InChI Key: InChI=1S/C16H12N2O7S2.2Na/c19-15-8-1-10-9-13(27(23,24)25)6-7-14(10)16(15)18-17-11-2-4-12(5-3-11)26(20,21)22;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2
• Melting Point: 390 °C(dec.)
• Active Content: 85%
• Physical State: Solid
• Typical Applications: Colorant