Description

1,2,4-Benzenetricarboxylic Acid, Ester With 1,2-Propanediol Phosphate is a specialized organophosphorus compound derived from trimellitic acid. This product matters as a high-performance additive and intermediate, offering unique properties for polymer modification and flame retardancy. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material performance and meet stringent safety regulations.

Application

• As a reactive flame retardant and plasticizer in flexible PVC, wire & cable coatings, and synthetic polymers.
• As a key intermediate for synthesizing advanced polyester resins and alkyd coatings with improved adhesion and thermal stability.
• As a modifier and cross-linking agent in epoxy resin systems for electronic encapsulants and composite materials.
• In the formulation of intumescent fire-retardant coatings and paints for construction materials.
• As an additive to improve the lubricity and anti-wear properties of industrial lubricants and hydraulic fluids.
• For research and development of novel phosphorus-containing polymers with tailored properties.

Basic Information

Product Name	1,2,4-Benzenetricarboxylic Acid, Ester With 1,2-Propanediol Phosphate
CAS No.	68186-81-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Trimellitic Acid, Ester with 1,2-Propanediol Phosphate; Propylene Glycol Trimellitate Phosphate; Phosphoric Acid, Ester with 1,2-Propanediol and 1,2,4-Benzenetricarboxylic Acid; Flame Retardant TMP; TGPP (Trimellityl Glycol Phosphate); 1,2-Propanediol, 1,2,4-benzenetricarboxylate, phosphate; Polymeric phosphate ester of trimellitic anhydride and propylene glycol.
EINECS	Contact for details

Quality Control

Our 1,2,4-Benzenetricarboxylic Acid, Ester With 1,2-Propanediol Phosphate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and key physical-chemical parameters is provided with each shipment to guarantee traceability and product integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from strong bases and incompatible materials. 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 viscous liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Acid Value	≤ 5.0 mg KOH/g
Phosphorus Content	Contact for details
Viscosity (25°C)	Contact for details
Water Content	≤ 0.5%

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