Basic

CAS No.	1657-16-5
Product Name	2-[(p-nitrophenyl)azo]acetoacetanilide
Synonyms	C.I. 11665; C.I. Pigment Yellow 4 (8CI); C.I. Pigment Yellow 4; 2-[(E)-(4-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
Molecular Formula	C16H14N4O4
Molecular Weight	326.3068

Physical property

Density	1.32g/cm3
Boiling point	527.6°C at 760 mmHg
Flash point	272.9°C
Refractive index	1.628