Identification | Back Directory | [Name]
BENZENESULFONIC ANHYDRIDE | [CAS]
512-35-6 | [Synonyms]
BENZENESULFONIC ANHYDRIDE Bis(benzenesulfonic)anhydride Benzenesulfonic Anhydride > Benzenesulfonic acid anhydride Benzenesulfonic acid, 1,1'-anhydride | [Molecular Formula]
C12H10O5S2 | [MDL Number]
MFCD00054601 | [MOL File]
512-35-6.mol | [Molecular Weight]
298.33 |
Chemical Properties | Back Directory | [Melting point ]
60-85° (softens about 55°); mp 88-91° (softens about 75°) | [Boiling point ]
463.7±28.0 °C(Predicted) | [density ]
1.439±0.06 g/cm3(Predicted) | [form ]
powder to crystal | [color ]
White to Light yellow to Light orange | [Merck ]
14,1071 |
Hazard Information | Back Directory | [Uses]
In Friedel-Crafts sulfone synthesis; in other sulfonylation reactions. | [Purification Methods]
Crystallise the anhydride from Et2O (m 88.5-91.5o), CHCl3 or chlorobenzene (m 90-92o). Store it dry. [Field J Am Chem Soc 74 394 1952, Beilstein 11 H 3, 11 I 11, 11 II 23, 11 III 50, 11 IV 50.] |
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