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p-Toluenesulfonamide powder AKA 4-Toluenesulfonamide, p-Toluenesulfonamide, white flaky or leafy crystals, p-Toluenesulfonamide CAS 70-55-3 Used in the synthesis of Chloramine-T and Aminosulfonyl Chloramphenicol, fluorescent dyestuffs, the manufacture of plasticisers, synthetic resins, paints, disinfectants, and woodworking brighteners, and so on.
Applications / Functions of p-Toluenesulfonamide powder
Physicochemical Property of p-Toluenesulfonamide powder
White flaky crystal. Soluble in ethanol, insoluble in water and ether.
Production methodprocess of p-Toluenesulfonamide powder
Firstly, add part of HN3 water into the reaction pot, add p-Toluenesulfonyl chloride under stirring, the temperature naturally rises to above 50℃, and then add the remaining ammonia after the temperature drops. React at 85~90℃ for 0.5h, and end the reaction when the pH value is 8~9. Cooled to 20 ℃, filtered, filter cake washed with water to get the crude product. After activated carbon decolourisation, alkali dissolution, acid precipitation, filtration and drying, p-Toluenesulfonamide Raw Materials was obtained.
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