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157775

Sigma-Aldrich

Phosphorus pentachloride

reagent grade, 95%

Synonym(s):

Phosphorus(V) chloride

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About This Item

Linear Formula:
PCl5
CAS Number:
10026-13-8
Molecular Weight:
208.24
EC Number:
233-060-3
MDL number:
MFCD00011439
UNSPSC Code:
12352300
PubChem Substance ID:
24849700
NACRES:
NA.21

grade

reagent grade

Quality Level

200

vapor pressure

<1 mmHg ( 20 °C)

assay

95%

form

powder

pH

1 (5 g/L)

mp

179-181 °C (subl.) (lit.)

SMILES string

ClP(Cl)(Cl)(Cl)Cl

InChI

1S/Cl5P/c1-6(2,3,4)5

InChI key

UHZYTMXLRWXGPK-UHFFFAOYSA-N

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General description

Phosphorus pentachloride is a light yellow colored phosphorous halide. It participates in the synthesis of thiazoline analogs.

Application

Phosphorus pentachloride may be used in the synthesis of following compounds:
  • benzenesulfonyl chloride
  • malonic dinitrile
  • aromatic sulfonyl chlorides

Phosphorus pentachloride may be used as halogenating reagent to convert any substituted aldehyde into the corresponding vinyl halide. It can also undergo reaction with ammonium chloride to yield linear phosphazenes and cyclophosphazenes.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT RE 2 Inhalation

target_organs

Respiratory Tract

supp_hazards

EUH014,EUH029

wgk_germany

WGK 1

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Ley.VS
Comprehensive Organic Functional Group Transformations II, 2 (1995)
Ley.VS et al.
Comprehensive Organic Functional Group Transformations: Synthesis: carbon with two heteroatoms, each attached by a single bond (2005)
Allcock H
Phosphorus-Nitrogen Compounds: Cyclic, Linear, and High Polymeric Systems (2012)
Eagleson M.
Concise Encyclopedia Chemistry, 120-120 (1994)
Synthetic studies of thiazoline and thiazolidine-containing natural products-1. Phosphorus pentachloride-mediated thiazoline construction reaction.
Ino A and Murabayashi A.
Tetrahedron, 55(34), 10271-10282 (1999)
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