Triphenylphosphine dichloride

Triphenylphosphine dichloride
Names
	Preferred IUPAC name Dichlorotri(phenyl)-λ5-phosphane
	Other names Dichlorotriphenylphosphorane
Identifiers
CAS Number	2526-64-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	228579 ;
ECHA InfoCard	100.107.819
PubChem CID	260420;
UNII	6CL2293LZ3 ;
CompTox Dashboard (EPA)	DTXSID50293708 ;
	InChI InChI=1S/C18H15Cl2P/c19-21(20,16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H Key: ASWXNYNXAOQCCD-UHFFFAOYSA-N ;
	SMILES ClP(Cl)(c1ccccc1)(c1ccccc1)c1ccccc1;
Properties
Chemical formula	C18H15Cl2P
Molar mass	333.19 g/mol
Melting point	176 °C (349 °F; 449 K) 85-100 °C
Solubility in water	Reacts
Related compounds
Related compounds	Phosphoranes; Triphenylphosphine; Phosphorus trichloride; Phosphorus pentachloride; Phosphorus halides; Tetraphenylphosphonium chloride
	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 dichloride, (C₆H₅)₃PCl₂, is a chlorinating agent widely used in organic chemistry. Applications include the conversion of alcohols and ethers to alkyl chlorides, the cleavage of epoxides to vicinal dichlorides and the chlorination of carboxylic acids to acyl chlorides.

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