CAS · 1571-33-1
Product Overview
Phenylphosphonic acid is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | White crystalline substance |
|---|---|
| Content | 99% min |
| Mechanical impurities | 5 per 10g max |
| Melting point | 158–164 °C |
| Moisture content | 0.5% max |
| Iron ions | 50 ppm max |
Applications
Phenylphosphonic acid is an important organophosphorus compound widely used in pharmaceutical, materials, and chemical research. It serves as a key intermediate in the synthesis of phosphonate-based drugs, enzyme inhibitors, and biologically active molecules. Its phosphonic acid group provides strong binding affinity to metal ions, making it useful in the preparation of coordination complexes, catalysts, and chelating agents. In materials chemistry, phenylphosphonic acid is applied in the modification of surfaces, the production of flame-retardant polymers, and the development of functional coatings. Additionally, it is employed in organophosphorus research for the synthesis of phosphonate esters, ligands, and intermediates for fine chemicals, agrochemicals, and specialty materials. Its unique combination of a phenyl ring and a phosphonic acid group allows precise tuning of reactivity and physicochemical properties in various chemical transformations.
Benefits
The benefits of phenylphosphonic acid arise from its chemical stability, multifunctional reactivity, and strong metal-binding ability. The phosphonic acid group enables efficient coordination to metals and supports the formation of stable chelates, which are valuable in catalysis, materials science, and analytical applications. Its aromatic phenyl group provides structural rigidity and lipophilicity, facilitating incorporation into polymers, ligands, and bioactive molecules. The compound is stable under standard storage conditions, soluble in polar solvents, and compatible with a wide range of reaction conditions, allowing reproducible synthesis and functionalization. These properties make it an effective intermediate for producing high-value organophosphorus compounds and functional materials with controlled properties.
Conclusion
Phenylphosphonic acid is a versatile organophosphorus compound used in pharmaceuticals, materials, and chemical synthesis. Its combination of a reactive phosphonic acid group and an aromatic phenyl ring enables efficient chemical transformations, metal coordination, and functionalization. By supporting the development of bioactive molecules, functional materials, and advanced chemical intermediates, phenylphosphonic acid remains an essential building block in modern chemical and materials research.
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