Preparation of salicylanilide_Kain Industrial Additives

overview[1] salicylanilide, also known as preparation 339, is white or slightly brown flaky crystals that darken when exposed to light. melting point 135℃. insoluble in water, soluble in ethanol, benzene, chloroform, ether, acetone, etc. its sodium salt is easily soluble in water. the preparation contains 28 to 32% (calculated as aniline) salt, anhydrous sodium sulfate…