Pigment Red 57
[CAS# 5858-81-1]

Identification

• Name: Pigment Red 57
• Synonyms: Disodium (4E)-4-[(4-Methyl-2-Sulfonato-Phenyl)Hydrazono]-3-Oxo-Naphthalene-2-Carboxylate; Disodium (4E)-4-[(4-Methyl-2-Sulfonatophenyl)Hydrazono]-3-Oxo-2-Naphthalenecarboxylate; Disodium (4E)-3-Keto-4-[(4-Methyl-2-Sulfonato-Phenyl)Hydrazono]-2-Naphthoate
• Molecular Formula: C₁₈H₁₂N₂Na₂O₆S
• Molecular Weight: 430.34
• CAS Registry Number: 5858-81-1
• EINECS: 227-497-9
• SMILES: C1=C(C=CC(=C1[S]([O-])(=O)=O)N\N=C\3C2=CC=CC=C2C=C(C3=O)C([O-])=O)C.[Na+].[Na+]
• InChI: 1S/C18H14N2O6S.2Na/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;;/h2-9,19H,1H3,(H,22,23)(H,24,25,26);;/q;2*+1/p-2/b20-16+
• InChIKey: CTBASIXHDUUSCV-SDXCCTRSSA-L