p-Toluenesulfonamide powder Raw Materials CAS 70-55-3

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Uses and synthesis of p-Toluenesulfonamide powder

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

• p-Toluenesulfonamide Raw Materials is mainly used in the manufacture of plasticisers, disinfectants and antifungal fungicides, and can also be used in the production of synthetic resins, paints, fluorescent dyes and saccharin.
• It is used as primary brightener in bright nickel plating. p-Toluenesulfonamide powder is used in bright multilayer nickel plating to make the plating layer bright and even.
• p-Toluenesulfonamide CAS 70-55-3 is used in the manufacture of dyestuffs, plasticisers, synthetic resins, paints, disinfectants (chloramine T), wood processing brighteners, etc..

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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