![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/5/57/Triphenylphosphine-sulfide-2D-skeletal.png/640px-Triphenylphosphine-sulfide-2D-skeletal.png&w=640&q=50)
Triphenylphosphine sulfide
Chemical compound / From Wikipedia, the free encyclopedia
Triphenylphosphine sulfide (IUPAC name: triphenyl-λ5-phosphanethione) is the organophosphorus compound with the formula (C6H5)3PS, usually written Ph3PS (where Ph = phenyl). It is a colourless solid, which is soluble in a variety of organic solvents.
Quick Facts Names, Identifiers ...
![]() | |
![]() | |
Names | |
---|---|
Preferred IUPAC name
Triphenyl-λ5-phosphanethione | |
Other names
| |
Identifiers | |
3D model (JSmol) |
|
ChemSpider |
|
ECHA InfoCard | 100.021.280 ![]() |
PubChem CID |
|
UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
Properties | |
(C6H5)3PS | |
Molar mass | 294.350461 g/mol |
Appearance | Colourless solid |
Melting point | 161 to 163 °C (322 to 325 °F; 434 to 436 K) |
Solubility | soluble in dichloromethane, ethanol |
Related compounds | |
Related compounds |
Triphenylphosphine oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Close
Structurally, the molecule resembles the corresponding oxide, with idealized C3 point group symmetry.[1] It is weakly nucleophilic at the sulfur atom.