Naphthol as-irg: Chemical name:4-chloro-2, 5-dimethoxy-acetoaceto anilide Cas no:4433-79-8 Molecular formular:c12h11no4cl Molecular weight:271.7 Physical properties:white crystals.Can be dissloved hot sodium hydroxide solution Appearance:white powder Purity: 99% Molecular weight:271.7 Pack:25kg/woven bag
