3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride
CAS Registry Number®
2540-99-0
CAS Name
3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydrideMolecular Formula
C16H6O8SMolecular Mass
358.28Cite this Page
3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=2540-99-0 (retrieved ) (CAS RN: 2540-99-0). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
275-278 °C
Source(s)
Other Names and Identifiers
InChI
InChI=1S/C16H6O8S/c17-13-9-3-1-7(5-11(9)15(19)23-13)25(21,22)8-2-4-10-12(6-8)16(20)24-14(10)18/h1-6H
InChIKey
InChIKey=ZHBXLZQQVCDGPA-UHFFFAOYSA-N
SMILES
O=C1C=2C(=CC=C(S(=O)(=O)C=3C=C4C(=CC3)C(=O)OC4=O)C2)C(=O)O1
Canonical SMILES
O=C1OC(=O)C2=CC(=CC=C12)S(=O)(=O)C3=CC=C4C(=O)OC(=O)C4=C3
Other Names for this Substance
- 1,3-Isobenzofurandione, 5,5′-sulfonylbis-
- Phthalic anhydride, 4,4′-sulfonyldi-
- 5,5′-Sulfonylbis[1,3-isobenzofurandione]
- 3,3′,4,4′-Tetracarboxydiphenyl sulfone dianhydride
- 4,4′-Sulfonylbis(phthalic anhydride)
Deleted or Replaced CAS Registry Numbers
163915-32-0, 174612-55-6
