3,3',4,4'-Diphenyl sulfone tetracarboxylic dianhydride
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
2540-99-0
Chemical name
3,3',4,4'-Diphenyl sulfone tetracarboxylic dianhydride
Molecular formula
C16H6O8S
Molecular weight
358.3 g/mol
Synonyms
1,3-Isobenzofurandione, 5,5'-sulfonylbis-; 5,5'-Sulfonylbis(isobenzofuran-1,3-dione); 3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride; 4,4'-Sulfonyldiphthalic dianhydride; 4,4'-Sulfonyldiphthalic Anhydride; Bis-(3-phthalyl anhydride) sulfone; 5-[(1,3-dioxo-1,3-dihydro-2-benzofuran-5-yl)sulfonyl]-1,3-dihydro-2-benzofuran-1,3-dione; 3,3,4,4-diphenylsulfonetetracarboxylicdianhydride (DSDA); 5-(1,3-dioxoisobenzofuran-5-yl)sulfonylisobenzofuran-1,3-dione; 3,3',4,4'-Diphenylsulfonetetracarboxylic Dianhydride (purified by sublimation); DSDA; 5,5'-Sulfonylbis-1,3-isobenzofurandione
InChIKey
ZHBXLZQQVCDGPA-UHFFFAOYSA-N
PubChem CID
75682
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302, H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
XLogP
1.5
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.