Pigment Yellow 128
[CAS# 57971-97-8]

Identification

• Name: Pigment Yellow 128
• Synonyms: Benzamide, 3,3'-((2-Chloro-5-Methyl-1,4-Phenylene)Bis(Imino(1-Acetyl-2-Oxo-2,1-Ethanediyl)Azo))Bis(4-Chloro-N-(2-(4-Chlorophenoxy)-5-(Trifluoromethyl)Phenyl)-
• Molecular Formula: C₅₅H₃₇Cl₅F₆N₈O₈
• Molecular Weight: 1229.20
• CAS Registry Number: 57971-97-8
• EINECS: 279-356-6
• SMILES: C1=C(C(=CC(=C1NC(C(N=NC2=CC(=CC=C2Cl)C(=O)NC3=CC(=CC=C3OC4=CC=C(C=C4)Cl)C(F)(F)F)C(=O)C)=O)C)NC(C(N=NC5=CC(=CC=C5Cl)C(=O)NC6=CC(=CC=C6OC7=CC=C(C=C7)Cl)C(F)(F)F)C(=O)C)=O)Cl
• InChI: 1S/C55H37Cl5F6N8O8/c1-26-20-41(68-53(80)49(28(3)76)74-72-43-22-30(5-17-38(43)59)51(78)70-45-24-32(55(64,65)66)7-19-47(45)82-36-14-10-34(57)11-15-36)39(60)25-40(26)67-52(79)48(27(2)75)73-71-42-21-29(4-16-37(42)58)50(77)69-44-23-31(54(61,62)63)6-18-46(44)81-35-12-8-33(56)9-13-35/h4-25,48-49H,1-3H3,(H,67,79)(H,68,80)(H,69,77)(H,70,78)
• InChIKey: VOCMTGRPDQPZFA-UHFFFAOYSA-N

Properties

• Density: 1.49g/cm³ (Cal.)
• Boiling point: 986.7°C at 760 mmHg (Cal.)
• Flash point: 550.5°C (Cal.)