262099

Phosphorus(V) oxychloride

99.999%

• Synonym(s): Phosphorus(V) oxide chloride, Phosphoryl chloride
• Linear Formula: POCl₃
• CAS Number: 10025-87-3
• Molecular Weight: 153.33
• EC Number: 233-046-7
• MDL number: MFCD00011443
• UNSPSC Code: 12352101
• PubChem Substance ID: 24855857
• NACRES: NA.22

Properties

• vapor density: 5.3 (vs air)
• Quality Level: 200
• vapor pressure: 104 mmHg ( 50 °C); 28 mmHg ( 20 °C)
• Assay: 99.999%
• form: liquid
• pH: 1 (20 °C)
• bp: 105.8 °C (lit.)
• mp: 1.25 °C (lit.)
• density: 1.645 g/mL at 25 °C (lit.)
• functional group: phosphine oxide
• SMILES string: ClP(Cl)(Cl)=O
• InChI: 1S/Cl3OP/c1-5(2,3)4
• InChI key: XHXFXVLFKHQFAL-UHFFFAOYSA-N

Description

Application

Phosphorus(V) oxychloride can be used as:

• A dehydrating agent in organic synthesis.
• A reagent in the cyclization of substituted aryl amides by Bischler−Napieralski cyclization reaction.
• A precursor for phosphorus diffusion in the p-type silicon solar cells processing.

It can also be used in the Vilsmeier-Haack reaction to synthesize aromatic aldehydes.

Safety Information

• Pictograms: GHS06,GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H302,H314,H330,H372
• Precautionary Statements: P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT RE 1 Inhalation
• Target Organs: Respiratory Tract
• Supplementary Hazards: EUH014,EUH029
• Storage Class Code: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves