Phosphorus Pentoxide
- CAS No.
- 1314-56-3
Phosphorus Pentoxide, CAS 1314-56-3. Source-derived identification, physical data and applications are provided for catalogue reference; request the current specification, COA and SDS for the…
Phenylphosphonic dichloride
GTC-521
Representative packaging
Phosphorylating Agents
Phenylphosphonic dichloride
- CAS No.
- 824-72-6
- Catalogue ID
- GTC-521
Phenylphosphonic dichloride, CAS 824-72-6. Source-derived identification, physical data and applications are provided for catalogue reference; request the current specification, COA and SDS for the required grade.
Catalogue aliases / related identifiers
Benzenephosphonic dichloride; Phenyldichlorophosphine oxide; Phenylphosphonyl dichloride; Phenylphosphoryl dichloride; P,P-Dichlorophenylphosphine oxide; Phosphonic dichloride, phenyl-; Benzenephosphonodichloridic acid; Benzene phosphorus oxydichloride
Supplied catalogue source: GTC-521 · Page 50
Reference data — confirm before ordering or use
The information below is a structured migration from the supplied catalogue snapshot. It is not a current product specification, COA or SDS. Confirm the actual supplier, grade, batch documents, classification, packing and destination requirements for your enquiry.
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.
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
Before you order
Confirm the current commercial product record.
Include the required grade or purity, quantity, preferred packing, destination country/port and required document set.
- 01Current specification
- 02Batch or sample COA
- 03Product- and supplier-specific SDS
- 04Packing and shipping review