Description

Phosphinic Acid, Dimethyl-, 1,4-Butanediyl Ester is a specialized organophosphorus compound that serves as a versatile intermediate and functional additive. Its molecular structure, featuring a phosphinate core linked by a flexible butylene chain, provides unique reactivity and compatibility for advanced material synthesis. This chemical is essential for manufacturers in the polymer, flame retardant, and specialty chemical sectors seeking to enhance product performance and thermal stability.

Application

• Flame Retardant Synergist: Acts as a key intermediate in the production of high-efficiency, halogen-free flame retardants for engineering plastics and textiles.
• Polymer Additive: Used as a stabilizer and property modifier in polyamides, polyesters, and other high-performance polymers to improve thermal and oxidative resistance.
• Chemical Intermediate: Serves as a crucial building block for synthesizing more complex phosphinate esters, ligands, and organophosphorus compounds.
• Lubricant & Hydraulic Fluid Additive: Imparts anti-wear and extreme pressure properties to advanced synthetic lubricants and functional fluids.
• Adhesive & Sealant Formulation: Enhances adhesion and durability in specialty epoxy and polyurethane-based systems.
• Catalyst & Ligand Precursor: Utilized in the preparation of metal-organic catalysts for various organic synthesis reactions.

Basic Information

Product Name	Phosphinic Acid, Dimethyl-, 1,4-Butanediyl Ester
CAS No.	5284-07-1
Molecular Formula	C6H15O4P
Molecular Weight	182.16 g/mol
Synonyms	1,4-Butanediyl Dimethylphosphinate; Dimethylphosphinic Acid Butylene Ester; Tetramethylene Dimethylphosphinate; Bis(methylphosphinato)butane; Butane-1,4-diyl Dimethylphosphinate; Phosphinic Acid, Dimethyl-, Tetramethylene Ester; DMHP Butyl Ester
EINECS	226-104-7

Quality Control

Our production of Phosphinic Acid, Dimethyl-, 1,4-Butanediyl Ester adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications using advanced techniques like GC, HPLC, and NMR. A Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment, supporting your quality assurance and regulatory compliance needs.

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. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	1.10 - 1.20 g/cm³
Refractive Index (20°C)	1.460 - 1.480

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