Description

Bis-(2-Ethylhexyl)-Hydroxymethyl Phosphonate is a specialized organophosphorus compound valued for its role as a versatile intermediate and functional additive. Its molecular structure provides unique properties that make it effective as a chelating agent, stabilizer, and flame retardant synergist in demanding industrial formulations. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical sectors seeking to enhance product performance and stability.

Application

• As a chelating agent and metal deactivator in lubricant and fuel additive packages.
• As a stabilizer and antioxidant in polymer systems, including PVC and polyolefins, to prevent degradation.
• As a synergist in flame retardant formulations for plastics and textiles.
• As a key intermediate in the synthesis of more complex phosphonate esters and surfactants.
• In water treatment chemicals as a scale and corrosion inhibitor component.
• In extraction and separation processes for specific metals in hydrometallurgy.

Basic Information

Product Name	Bis-(2-Ethylhexyl)-Hydroxymethyl Phosphonate
CAS No.	56121-29-0
Molecular Formula	C19H41O4P
Molecular Weight	364.50 g/mol
Synonyms	Bis(2-ethylhexyl) (hydroxymethyl)phosphonate; Hydroxymethylphosphonic Acid Bis(2-ethylhexyl) Ester; Phosphonic Acid, P-(Hydroxymethyl)-, Bis(2-ethylhexyl) Ester; BEH-HMP; 2-Ethylhexyl Hydroxymethylphosphonate; (Hydroxymethyl)phosphonic Acid Di(2-ethylhexyl) Ester
EINECS	Contact for details

Quality Control

Our Bis-(2-Ethylhexyl)-Hydroxymethyl Phosphonate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing key specifications is provided with each shipment to guarantee it meets your technical requirements.

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 15-25°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
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	≤ 1.0%
Specific Gravity (20°C)	0.950 - 0.980

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