Description

Phenyl Hydrogen Phosphonate is an important organophosphorus compound widely used as a versatile chemical intermediate. Its unique structure makes it a valuable building block for synthesizing flame retardants, agrochemicals, and specialty polymers. This product is essential for manufacturers and R&D laboratories in the chemical, pharmaceutical, and material science sectors seeking reliable, high-purity intermediates.

Application

• Chemical Synthesis Intermediate: A key precursor for the production of organophosphorus flame retardants and plasticizers.
• Agrochemical Manufacturing: Used in the synthesis of certain pesticides and herbicides.
• Pharmaceutical Research: Serves as a building block for novel bioactive molecules and prodrugs.
• Polymer & Material Science: Employed in the creation of specialty polymers and functional materials.
• Ligand & Catalyst Preparation: Useful for synthesizing phosphorus-containing ligands for metal catalysis.
• Laboratory Reagent: Acts as a standard or reagent in analytical and research chemistry.

Basic Information

Product Name	Phenyl Hydrogen Phosphonate
CAS No.	2310-89-6
Molecular Formula	C6H7O3P
Molecular Weight	158.09 g/mol
Synonyms	Phenyl Dihydrogen Phosphate; Phenyl Phosphonate; Phenylphosphonic Acid; Phosphonic Acid, Phenyl Ester; Phenyl Acid Phosphonate; Hydrogen Phenyl Phosphonate; Monophenyl Phosphonate; Phenyl Phosphite (common misnomer)
EINECS	219-011-7

Quality Control

Our Phenyl Hydrogen Phosphonate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.520 - 1.530
Density (20°C)	1.25 - 1.35 g/mL

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