Triphenylphosphine sulfide

Triphenylphosphine sulfide
Names
	Preferred IUPAC name Triphenyl-λ5-phosphanethione
	Other names Triphenylphosphane sulfide; Triphenylphosphine sulfide; Triphenylthioxophosphorane;
Identifiers
CAS Number	3878-45-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	18610 ;
ECHA InfoCard	100.021.280
PubChem CID	19758;
UNII	Q68E5JRQ8V ;
CompTox Dashboard (EPA)	DTXSID10192046 ;
	InChI InChI=1S/C18H15PS/c20-19(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H Key: VYNGFCUGSYEOOZ-UHFFFAOYSA-N ; InChI=1/C18H15PS/c20-19(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H Key: VYNGFCUGSYEOOZ-UHFFFAOYAH;
	SMILES c1ccc(cc1)P(=S)(c2ccccc2)c3ccccc3;
Properties
Chemical formula	(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). verify (what is ?) Infobox references

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.

Structurally, the molecule resembles the corresponding oxide, with idealized C₃ point group symmetry. It is weakly nucleophilic at the sulfur atom.

Names


Preferred IUPAC name Triphenyl-λ⁵-phosphanethione
Other names Triphenylphosphane sulfide Triphenylphosphine sulfide Triphenylthioxophosphorane
Identifiers
CAS Number	3878-45-3^N
3D model (JSmol)	Interactive image
ChemSpider	18610^Y
ECHA InfoCard	100.021.280
PubChem CID	19758
UNII	Q68E5JRQ8V^Y
CompTox Dashboard (EPA)	DTXSID10192046
InChI InChI=1S/C18H15PS/c20-19(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H^Y Key: VYNGFCUGSYEOOZ-UHFFFAOYSA-N^Y InChI=1/C18H15PS/c20-19(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H Key: VYNGFCUGSYEOOZ-UHFFFAOYAH
SMILES c1ccc(cc1)P(=S)(c2ccccc2)c3ccccc3
Properties
Chemical formula	(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). N verify (what is ^YN ?) Infobox references