Description

3-Hydroxyphenylphosphinyl-Propanoic Acid is an organophosphorus compound featuring a carboxylic acid and a phosphinic acid group, making it a versatile bifunctional intermediate. This structure is critical for its role as a key building block in the synthesis of advanced materials and specialty chemicals. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and polymer industries for developing flame retardants, complexing agents, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring phosphonate or phosphinate functionalities.
• Flame Retardant Synthon: Serves as a crucial precursor for producing high-performance, halogen-free flame retardants used in engineering plastics and textiles.
• Agrochemical Synthesis: Acts as a building block for creating herbicides, plant growth regulators, and other crop protection agents with enhanced activity.
• Metal Complexing Agent: Utilized in water treatment formulations and industrial cleaning products for its ability to chelate metal ions.
• Polymer Modification: Incorporated into polymer chains to impart specific properties such as improved adhesion, thermal stability, or flame resistance.
• Research & Development: Employed in academic and industrial R&D settings for exploring new organophosphorus chemistry and material science applications.

Basic Information

Product Name	3-Hydroxyphenylphosphinyl-Propanoic Acid
CAS No.	14657-64-8
Molecular Formula	C9H11O5P
Molecular Weight	230.15 g/mol
Synonyms	3-(Hydroxyphenylphosphinyl)propanoic acid; (3-Hydroxyphenyl)phosphinylpropanoic Acid; 3-(3-Hydroxyphenylphosphinyl)propionic Acid; β-(3-Hydroxyphenylphosphinyl)propionic Acid; m-Hydroxyphenylphosphinylpropionic Acid; Phosphinic acid, P-(3-hydroxyphenyl)-, 3-carboxyethyl ester; CAS 14657-64-8
EINECS	Contact for details

Quality Control

Our 3-Hydroxyphenylphosphinyl-Propanoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports applications requiring reliable and traceable raw materials.

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). Keep away from strong oxidizing agents, strong bases, and heat sources. The product may be hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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