Description

Propylphosphonic Acid Hydrogen Phenyl Ester is a specialized organophosphorus compound used as a key intermediate in advanced chemical synthesis. This product matters for its role in constructing complex molecules, particularly in the development of pharmaceuticals and performance materials. Industries that need it include pharmaceutical R&D, agrochemical manufacturing, and specialty chemical production for applications requiring precise phosphonate chemistry.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), especially those targeting bone metabolism or requiring phosphonate functional groups.
• Agrochemical Synthesis: Used in the production of advanced herbicides, plant growth regulators, and other crop protection agents where the phosphonate moiety is essential for bioactivity.
• Ligand and Catalyst Precursor: Serves as a starting material for creating specialized ligands used in metal catalysis and coordination chemistry.
• Flame Retardant Synthon: An intermediate in the manufacture of organophosphorus flame retardants and plasticizers for polymers and resins.
• Surface Modification Agent: Used to create functional coatings and modify material surfaces due to its ability to form stable bonds with various substrates.
• Research & Development: Employed in academic and industrial R&D for exploring new reaction pathways and creating novel organophosphorus compounds.

Basic Information

Product Name	Propylphosphonic Acid Hydrogen Phenyl Ester
CAS No.	53621-79-7
Molecular Formula	C9H13O3P
Molecular Weight	200.17 g/mol
Synonyms	Phenyl Hydrogen Propylphosphonate; Propylphosphonic Acid Phenyl Ester; Phenyl Propylphosphonate; Phenyl Propylphosphonic Acid Ester; Propylphosphonous Acid Phenyl Ester; Phenyl Propylphosphonite; (Phenoxy)propylphosphonic Acid; Hydrogen Phenyl Propylphosphonate
EINECS	Contact for details

Quality Control

Our Propylphosphonic Acid Hydrogen Phenyl Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography and spectroscopic methods, to verify identity and potency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; keep the container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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