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3,3',4,4'-Diphenylsulfonetetracarboxylic Dianhydride (purified by sublimation)
(CAS RN:2540-99-0 Product Number:D4554)


3,3',4,4'-Diphenylsulfonetetracarboxylic Dianhydride
Synonym DSDA (purified by sublimation)
Synonym 4,4'-Sulfonyldiphthalic Anhydride (purified by sublimation)

General Information

Product Number D4554

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Purity/Analysis Method >99.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C16H6O8S=358.28
CAS RN 2540-99-0
Related CAS RN
MDL Number MFCD00039145
Packaging and Container
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  • Reference & Application


Purity(HPLC) min. 99.0 area%
Purity(Methanolysis Method) min. 99.0 %

Data of Reference

mp 289°C(lit.)


Beilstein 18(5)3,189
Reaxys-RN 1298403
PubChem SID 253661054


PubMed Literature

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