Description

Phosphonic Acid Propyl Ester CAS NO 42023-31-4 is an organophosphorus compound characterized by its propyl ester group attached to a phosphonic acid moiety. This structure makes it a valuable intermediate and functional additive in advanced chemical synthesis and material science. It is primarily sought after by manufacturers in the polymer, agrochemical, and specialty chemical industries for its role as a flame retardant synergist, scale inhibitor precursor, and chelating agent.

Application

• As a key intermediate in the synthesis of advanced flame retardants for polymers and textiles.
• Precursor for scale and corrosion inhibitors in industrial water treatment formulations.
• Building block for chelating agents and metal surface treatment chemicals.
• Used in the research and development of novel agrochemicals, including herbicides and plant growth regulators.
• Functional monomer or additive in the production of specialty polymers and resins.
• Component in lubricant and fuel additives to improve performance characteristics.

Basic Information

Product Name	Phosphonic Acid Propyl Ester
CAS No.	42023-31-4
Molecular Formula	C3H9O3P
Molecular Weight	124.08 g/mol
Synonyms	Propyl Phosphonate; Propylphosphonic Acid; n-Propylphosphonic Acid; Phosphonic Acid, Propyl Ester; Propane-1-phosphonic Acid; 1-Propanephosphonic Acid; Monopropyl Phosphonate; Propyl Dihydrogen Phosphonate
EINECS	Contact for details

Quality Control

Our Phosphonic Acid Propyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The product is compatible with standard organic solvent containers.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.10 g/cm³

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