Phenyl sulfoxide
Synonym(s):Phenyl sulfoxide
- CAS NO.：945-51-7
- Empirical Formula: C12H10OS
- Molecular Weight: 202.27
- MDL number: MFCD00002085
- EINECS: 213-415-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:15:17
What is Phenyl sulfoxide?
Chemical properties
white to off-white crystalline powder
The Uses of Phenyl sulfoxide
Diphenyl sulfoxide is a reagent used as an oxidant and hydroxyl activator in combination with a variety of electrophilic reagents. Efficient glycosidation of a phenyl thiosialoside donor with diphenyl sulfoxide and triflic anhydride in dichloromethane was reported. Direct glycosylations with 1-hydroxy glycosyl donors is made using trifluoromethanesulfonic anhydride and diphenyl sulfoxide. The preparation of triarylsulfonium halides was by the action of aryl Grignard reagents on diphenyl sulfoxide.
Definition
ChEBI: Diphenyl sulfoxide is a sulfoxide.
Synthesis Reference(s)
Journal of the American Chemical Society, 114, p. 6269, 1992 DOI: 10.1021/ja00041a069
Tetrahedron Letters, 31, p. 4533, 1990 DOI: 10.1016/S0040-4039(00)97667-6
Properties of Phenyl sulfoxide
| Melting point: | 69-71 °C (lit.) |
| Boiling point: | 206-208 °C/13 mmHg (lit.) |
| Density | 1.1833 (rough estimate) |
| refractive index | 1.6090 (estimate) |
| Flash point: | 206-208°C/13mm |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), DMSO (Slightly) |
| form | Crystalline Powder |
| color | White to off-white |
| Water Solubility | Soluble in water. Soluble in most organic solvents. |
| BRN | 1908444 |
| CAS DataBase Reference | 945-51-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Diphenyl sulfoxide(945-51-7) |
| EPA Substance Registry System | Benzene, 1,1'-sulfinylbis- (945-51-7) |
Safety information for Phenyl sulfoxide
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for Phenyl sulfoxide
| InChIKey | JJHHIJFTHRNPIK-UHFFFAOYSA-N |
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