Phenylphosphonic dichloride CAS 824-72-6

Name: Phenylphosphonic dichloride CAS 824-72-6
Brand: Aure Chemical
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Synonyms: Benzenephosphonic dichloride; Phenyldichlorophosphine oxide; Phenylphosphonyl dichloride; Phenylphosphoryl dichloride; P,P-Dichlorophenylphosphine oxide; Phosphonic dichloride, phenyl-; Benzenephosphonodichloridic acid; Benzene phosphorus oxydichloride; Phenylphosphonic acid dichloride

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Product Details

High-Purity Phenylphosphonic Dichloride CAS 824-72-6 from Aure Chemical: Stable Supply & Compliance

Phenylphosphonic dichloride is a reactive organophosphorus compound that serves as an important reagent in synthetic chemistry. It is particularly valued for its ability to introduce phenylphosphonyl groups into target molecules, supporting applications in flame retardancy and advanced materials.

Basic Information

CAS No.	824-72-6
EC No.	212-534-3
Linear Formula	C₆H₅POCl₂
Molecular Weight	194.98
Appearance	Colorless to pale yellow clear liquid
Melting Point	3 °C (lit.)
Boiling point	258 °C (lit.)
Density	1.375 g/mL at 25 °C (lit.)
RIDADR	UN 3265 Class 8, PG II
Chemical Structure

Key Applications

Flame Retardant Intermediate: Primary reagent for synthesizing phosphorus-containing flame retardants used in polymers, textiles, and epoxy resins.
Organophosphorus Synthesis: Versatile building block for preparing phosphonates, phosphinamides, and other phosphorus compounds through nucleophilic substitution.
Polymer Modification: Employed in the production of flame-retardant polymers and additives for enhanced thermal stability.
Pharmaceutical and Agrochemical Intermediate: Used in the synthesis of specialized organophosphorus derivatives for active ingredients and crop protection.
Specialty Chemical Production: Applied in research and industrial processes requiring phenylphosphonyl functionality for advanced materials.

Safety and Storage

Phenylphosphonic dichloride is corrosive and moisture-sensitive, reacting vigorously with water to release HCl. Handle with full protective equipment in a fume hood and avoid contact with water or bases. Store in tightly sealed containers under inert atmosphere in a cool, dry, well-ventilated area away from incompatible materials.

Aure Chemical: Your Reliable Partner

Reliable Purity Standards: Advanced QA ensures consistent high purity with full Certificate of Analysis provided for each batch.
Secure International Shipping: Robust logistics network delivers bulk quantities safely to global customers on schedule.
Regulatory Documentation Support: Complete SDS, UN 3265 transport papers, and compliance information supplied for seamless procurement.
Technical Expertise Available: Dedicated specialists offer guidance on safe handling, reaction optimization, and packaging customization.

Hazards Classification

GHS Classification: Skin Corrosion Category 1B (GHS05), Serious Eye Damage Category 1 (GHS05), Acute Toxicity Category 4 (Oral/Dermal).

Hazard Statements: H314 (Causes severe skin burns and eye damage), H302 + H312 (Harmful if swallowed or in contact with skin).

UN Number: UN 3265

Hazard Class: 8 (Corrosive)

Packing Group: II

Packaging, Logistics & Compliance Capabilities

Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.