| Identification | |
| Name: | 1,3-Isobenzofurandione,5,5'-sulfonylbis- |
| Synonyms: | Phthalicanhydride, 4,4'-sulfonyldi- (7CI,8CI); 3,3',4,4'-Diphenyl sulfonetetracarboxylic anhydride; 3,3',4,4'-Diphenyl sulfone tetracarboxylicdianhydride; 3,3',4,4'-Diphenylsulfoxide tetracarboxylic acid;3,3',4,4'-Tetracarboxydiphenyl sulfone dianhydride; 3,4,3',4'-Diphenylsulfonete tracarboxylic acid dianhydride; 4,4'-Diphthalic anhydride sulfone;4,4'-Sulfonylbis(phthalic anhydride); 4,4'-Sulfonyldiphthalic acid dianhydride;4,4'-Sulfonyldiphthalic anhydride; Bis(3,4-dicarboxyphenyl)sulfone dianhydride;NSC 689416; Rikacid DSDA |
| CAS: | 2540-99-0 |
| Molecular Formula: | C16H6 O8 S |
| Molecular Weight: | 358.28 |
| InChI: | InChI=1/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 |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 283 °C |
| Flash Point: | 388.4°C |
| Boiling Point: | 718.5°Cat760mmHg |
| Density: | 1.755g/cm3 |
| Refractive index: | 1.697 |
| Specification: |
3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride , its cas register number is 2540-99-0. It also can be called 1,3-Isobenzofurandione,5,5'-sulfonylbis- ; 5,5'-Sulfonylbis-1,3-isobenzofurandione . |
| Flash Point: | 388.4°C |
| Safety Data | |
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