Naphthol as-irg(aacdma)
Chemical name: 4-chloro-2.5-dimethoxy-acetoaceto anilide
CAS no: 4433-79-8
Formola: C12h11no4 cl
Mole. Wt.: 271.7
Physical properties:
White crystals. Can be dissolved hot sodium hydroxide solution. Appcars is pale yellow.

Specification:
Appearance: White powder
Purity, %: ≥99.0
Initial m. P. As dry: ≥105
Uses: Mainly used for manufacturing organic pigments(83#yellow).