Basic

CAS No.	143067-35-0
Product Name	Disperse Yellow 231
Synonyms	benzyl 4-[(2Z)-2-(1-butyl-5-cyano-4-methyl-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)hydrazinyl]benzoate; benzyl 4-[(1-butyl-5-cyano-2-hydroxy-4-methyl-6-oxo-3-pyridyl)azo]benzoate
Molecular Formula	C25H24N4O4
Molecular Weight	444.4825

Physical property

Density	1.22g/cm3
Boiling point	552.5°C at 760 mmHg
Flash point	288°C
Refractive index	1.609