CAS · 824-72-6
Product Overview
Phenylphosphonic dichloride is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Property | Specification |
|---|---|
| Appearance | Colorless Liquid |
| Content (GC) | 98.0% min |
| Density @25°C | 1.35–1.40 g/cm³ |
| Trivalent Phosphorus | 1.0% max |
| Color (APHA / Co–Pt) | 30 max |
Applications
1. Synthesis of Phosphonic Acids and Esters
Phenylphosphonic dichloride丨CAS 824-72-6 is widely used as a starting material for the production of:
●Phenylphosphonic acid by hydrolysis
●Phosphonic esters via reaction with alcohols
●Amide derivatives when reacted with amines
These derivatives are used in flame retardants, antiscalants, and pharmaceutical intermediates.
2. Flame Retardant Additives
It is employed in the production of phosphorus-containing flame retardants, especially in plastics and resins, where it enhances fire resistance by promoting char formation and reducing flammability.
3. Industrial Coatings and Adhesives
Used in the synthesis of organophosphorus additives that improve adhesion, corrosion resistance, and thermal stability of coatings and sealants.
●Metal treatment agents: Its derivatives are used in formulations to improve anti-corrosion properties on metal surfaces.
4. Pharmaceutical and Agrochemical Intermediate
Phenylphosphonic dichloride serves as a reactive building block in the development of certain bioactive organophosphorus compounds, including:
●Pesticides
●Herbicides
●Drug intermediates
Benefits
1. Versatile Reactivity
Its dichloride functionality enables highly selective reactions with a wide range of nucleophiles, making it a valuable tool in fine chemical synthesis.
2. Key Intermediate in Functional Material Design
Phenylphosphonic dichloride is essential for producing customized phosphorus-based compounds, allowing tailored functionality in coatings, additives, and polymers.
3. Enables Flame Retardancy and Corrosion Protection
Derivatives contribute significantly to thermal resistance and material longevity, supporting safety and durability in industrial applications.
4. Compact and Efficient Molecular Scaffold
Its molecular structure provides a compact phosphorus-containing platform that can be diversified easily, ideal for high-performance specialty chemical synthesis.
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Conclusion
A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.