4,4′-Diaminodiphenylsulfone

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Chemical Name:4,4'-Diaminodiphenylsulfone
CAS.NO: 80-08-0
Synonyms:
dapsone
Benzenamine, 4,4‘-sulfonylbis-
4-(4-aminophenyl)sulfonylaniline
 
Molecular Formula: C12H12N2O2S
Molecular Weight: 248.30100
 
Physical and Chemical Properties:
Density:1.361g/cm3
Boiling point:511.7ºC at 760 mmHg
Melting point:175-177 °C(lit.)
Flash point:263.2ºC
Index of Refraction:1.662
 
Specification:
Appearance:White powder
Purity:≥99.5%
 
Packing:25Kg/bag or according to customer requirements
Storage:The warehouse is ventilated at low temperature and is stored separately from the food materials.
Application:Applicationd in the synthesis of polysulfone amide resins and other polymers

4,4'-Diaminodiphenylsulfone


Related News: In 2016, the export volume of China’s specialty drug substances reached US $ 3.53 billion, accounting for 13.8% of the total drug substances.624-38-4 From a global perspective, China’s API companies have also performed well. According to the report of the American Transparent Medicine website, in 2016 the top ten pharmaceutical companies in the global API market, Chinese pharmaceutical companies accounted for 6 seats.105170-27-2 Beneficial drug raw materials refer to the active pharmaceutical ingredients used in the manufacture of original research drugs (patent drugs). They are mainly used to meet the needs of original multinational pharmaceutical companies and emerging biopharmaceutical companies for innovative drugs in clinical drug research, registration approval and commercialization sales , Which also contains advanced intermediates used in the manufacture of the drug substance that need to be regulated by regulatory authorities.2-Bromoanisole CAS:578-57-4 With the continuous advancement of economic globalization, the division of labor and cooperation around the world has become increasingly apparent. The fine chemical industry has the foundation of global division of labor and cooperation due to its long and complex industrial chain.It does not require a production license for the drug substance, and can be produced in an ordinary chemical plant. As long as it reaches a certain level, it can be used for the synthesis of the drug substance.

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