Phosphorus(III) chloride, also known as trichlorophosphine or phosphorus chloride, is a reactive inorganic phosphorus compound corresponding to CAS 7719-12-2 and widely used in phosphorus intermediates. The molecule contains a trivalent phosphorus center bonded to three chlorine atoms, enabling its role in chlorination, esterification, and substitution reactions during the synthesis of organophosphorus derivatives and industrial chemicals. The material is supplied with competitive factory pricing, customized specifications, complete documentation including MSDS, TDS, COA, and reliable bulk supply.
Phosphorus Trichloride CAS 7719-12-2
- CAS: 7719-12-2
- Synonyms: Phosphorus(III) chloride, Trichlorophosphine, Phosphorus chloride
- Einecs: 233-046-7
- Molecular Formula: POCl3
- Grade: Industrial grade 99.5%
- Package: 200kg iron drum or 50kg plastic drum packaging
Product Description
Product Name:Trichloroxophos
Other names: trichlorophosphorus; Oxyphosphorus chloride
Appearance:Colorless transparent liquid

Chemical formula: POCl3
Molecular weight: 153.33
CAS accession number: 10025-87-3
EINECS accession number: 233-046-7
Melting point: 1.25°C
Boiling point: 105.8°C
Water Soluble: reacts exothermically
Density: 1.645
Appearance: Transparent to pale yellow liquid
Flash point: Non-combustible
Main use: chlorinating agent, which can replace oxygen in organic matter. Oxidant. Catalyst.
FAQ - Technical & Supply Chain
-
Q:
Are phosphorus trichloride and phosphorus(III) chloride the same substance?
A: Yes. Phosphorus trichloride and phosphorus(III) chloride are different naming conventions for the same compound identified by CAS 7719-12-2. -
Q:
Is phosphorus trichloride typically supplied as an industrial intermediate?
A: It is commonly supplied as an industrial intermediate for organophosphorus synthesis and downstream chemical manufacturing rather than for laboratory-only research use.
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
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Information to Confirm Before Quotation
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- Application or intended end use
- Required purity, grade, or specification
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Packaging, Storage, and Handling Notes
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Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
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