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79590

Sigma-Aldrich

Phosphorus pentachloride

purum p.a., ≥98.0% (AT)

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Synonym(s):
Phosphorus(V) chloride
Linear Formula:
PCl5
CAS Number:
Molecular Weight:
208.24
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor pressure

0.016 hPa ( 20 °C)

Quality Level

grade

purum p.a.

Assay

≥98.0% (AT)

form

powder or crystals

impurities

≤0.005% total of sulfur (S)

pH

1 (5 g/L)

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

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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This Item
15777579609262099
Phosphorus pentoxide puriss. p.a., ACS reagent, ≥98.0% (T)

Sigma-Aldrich

79609

Phosphorus pentoxide

grade

purum p.a.

grade

-

grade

-

grade

-

assay

≥98.0% (AT)

assay

95%

assay

≥98.0% (T)

assay

99.999%

form

powder or crystals

form

powder

form

powder or crystals

form

liquid

impurities

≤0.005% total of sulfur (S)

impurities

-

impurities

≤0.02% phosphorus trioxide (P2O3)

impurities

-

pH

1 (5 g/L)

pH

1 (5 g/L)

pH

1.5 (20 °C, 10 g/L)

pH

1 (20 °C)

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory Tract

Supplementary Hazards

Storage Class Code

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Infrared and Raman Spectra of Phosphorus Pentachloride.
Wilmshurst JK and Bernstein HJ.
J. Chem. Phys. , 27(3), 661-664 (1957)
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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Eagleson M.
Concise Encyclopedia Chemistry, 120-120 (1994)
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