| Identification | Back Directory | [Name]
dibenzoyl disulphide | [CAS]
644-32-6 | [Synonyms]
Disulfide,dibenzoyl
dibenzoyl disulphide
Dibenzoyl persulfide
Benzoic dithioperoxyanhydride
benzenecarbothioic acid S-(benzoylthio) ester
Inchi=1/C14H10o2S2/C15-13(11-7-3-1-4-8-11)17-18-14(16)12-9-5-2-6-10-12/H1-10 | [EINECS(EC#)]
211-413-2 | [Molecular Formula]
C14H10O2S2 | [MDL Number]
MFCD00020686 | [MOL File]
644-32-6.mol | [Molecular Weight]
274.36 |
| Chemical Properties | Back Directory | [Melting point ]
134.5°C | [Boiling point ]
387.34°C (rough estimate) | [density ]
1.3504 (rough estimate) | [refractive index ]
1.5341 (estimate) |
| Hazard Information | Back Directory | [Uses]
Benzoyl Disulfide (cas# 644-32-6) is a useful reactant for the green preparation of amides and amines. | [Purification Methods]
About 300mL of solvent is blown off from a filtered solution of dibenzoyl disulfide (25g) in acetone (350mL). The remaining acetone is decanted from the solid which is recrystallised first from 300mL of 1:1 (v/v) EtOH/ethyl acetate, then from 300mL of EtOH, and finally from 240mL of 1:1 (v/v) EtOH/ethyl acetate. The yield is about 40% [Pryor & Pickering J Am Chem Soc 84 2705 1962]. [Beilstein 9 H 424, 9 II 289, 9 III 1977.] Handle in a fume cupboard because of TOXICITY and obnoxious odour. |
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Merck KGaA
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www.sigmaaldrich.cn |
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