Description

Phosphorus Oxychloride is a pivotal inorganic chemical reagent and a versatile intermediate in organic synthesis. Its high reactivity as a phosphorylating and chlorinating agent makes it indispensable for constructing complex molecular architectures. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to produce high-value derivatives.

Application

• Agrochemical Synthesis: Key intermediate in the production of organophosphate insecticides, herbicides, and fungicides.
• Pharmaceutical Manufacturing: Used as a phosphorylating agent in the synthesis of nucleotide analogs, prodrugs, and other active pharmaceutical ingredients (APIs).
• Plasticizer and Flame Retardant Production: Serves as a precursor for phosphate esters used as plasticizers and flame retardants in polymers and resins.
• Dye and Pigment Industry: Employed in the manufacture of certain dyes and optical brighteners.
• Lithium Battery Electrolytes: Used in the synthesis of lithium hexafluorophosphate (LiPF6) and other electrolyte additives.
• Chemical Intermediate: Fundamental reagent for producing other phosphorus compounds like phosphorus pentachloride, phosphoryl chlorides, and phosphoric acid esters.
• Catalyst and Additive: Acts as a catalyst in various organic reactions and as an additive in specialty formulations.

Basic Information

Product Name	Phosphorus Oxychloride
CAS No.	10025-87-3
Molecular Formula	POCl3
Molecular Weight	153.33 g/mol
Synonyms	Phosphoryl Chloride; Phosphorus Oxide Trichloride; Phosphoric Trichloride; Trichlorophosphorus Oxide; Oxychlorid fosforecny (Czech); Fosforoxychlorid (German); Tricoordinate phosphorus compound
EINECS	233-046-7

Quality Control

Our Phosphorus Oxychloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity limits is provided with every shipment to guarantee traceability and compliance for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as water, strong bases, and alcohols. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under dry conditions. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (POCl3)	≥ 99.0 %
Phosphorus Trichloride (PCl3)	≤ 0.5 %
Phosphorus Pentachloride (PCl5)	≤ 0.1 %
Non-volatile residue	≤ 0.01 %
Iron (Fe)	≤ 10 ppm
Water (H2O)	≤ 50 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.