Description

1,2,4-Benzenetricarboxylic Acid, Tripropyl Ester is a high-purity organic ester derivative of trimellitic acid. This compound serves as a versatile chemical intermediate and specialty plasticizer, valued for its ability to modify polymer properties and enhance material performance. It is primarily required by manufacturers in the plastics, coatings, and specialty chemical synthesis industries seeking reliable, high-quality raw materials for advanced formulations.

Application

• Polymer Modification & Plasticizer: Used as a specialty monomer or co-monomer in the production of high-performance polymers, including polyesters and polyamides, to improve flexibility, thermal stability, and processing characteristics.
• Synthetic Intermediate: Acts as a key building block in organic synthesis for pharmaceuticals, agrochemicals, and advanced materials, where its ester groups provide sites for further chemical transformation.
• Coating Resins: Incorporated into alkyd and polyester coating formulations to enhance durability, adhesion, and chemical resistance in industrial and protective coatings.
• Adhesive & Sealant Formulations: Employed to modify the rheology and performance properties of adhesives and sealants, contributing to better application and end-use performance.
• Lubricant & Grease Additive: Functions as a synthetic base or additive in high-temperature lubricants and greases, improving viscosity index and stability.
• Research & Development: Serves as a standard or reagent in chemical R&D laboratories for method development and analytical studies.

Basic Information

Item	Detail
Product Name	1,2,4-Benzenetricarboxylic Acid, Tripropyl Ester
CAS No.	1528-54-7
Molecular Formula	C18H24O6
Molecular Weight	336.38 g/mol
Synonyms	Tripropyl Trimellitate; Trimellitic Acid Tripropyl Ester; 1,2,4-Benzenetricarboxylic Acid Tripropyl Ester; Propyl Trimellitate; Tri-n-propyl Trimellitate; Tripropyl Benzene-1,2,4-tricarboxylate; TPTM; NSC 163049
EINECS	Contact for details

Quality Control

Our 1,2,4-Benzenetricarboxylic Acid, Tripropyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support 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 at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.490 - 1.510

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