Description

1,2,4-Benzenetricarboxylic Acid Trihexadecyl Ester is a high-molecular-weight organic ester derived from trimellitic acid. This compound is valued for its role as a specialized plasticizer and additive, offering excellent compatibility and performance-modifying properties in polymer systems. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material flexibility, durability, and processing characteristics.

Application

• As a specialized plasticizer for high-performance polymers, including PVC, polyesters, and polyamides, to improve flexibility and low-temperature properties.
• As a lubricant and processing aid in the manufacture of engineering plastics and synthetic fibers to reduce melt viscosity and improve mold release.
• As a key intermediate or additive in the formulation of high-temperature resistant coatings, adhesives, and sealants.
• In the production of synthetic esters and lubricants for industrial applications requiring thermal stability.
• As a compatibilizer and modifier in polymer blends and composites to enhance interfacial adhesion and material performance.
• Potential use in specialty ink and toner formulations to control rheology and fusing properties.

Basic Information

Product Name	1,2,4-Benzenetricarboxylic Acid Trihexadecyl Ester
CAS No.	120831-54-1
Molecular Formula	C55H96O6
Molecular Weight	853.4 g/mol
Synonyms	Trimellitic Acid Trihexadecyl Ester; Trihexadecyl Trimellitate; 1,2,4-Benzenetricarboxylic Acid, Trihexadecyl Ester; Tri-n-hexadecyl Trimellitate; Palmitic Acid, Ester with Trimellitic Anhydride (related); Tridodecyl Trimellitate (related homologue); TOTM-C16 (common industry abbreviation); Plasticizer T1616
EINECS	Contact for details

Quality Control

Our 1,2,4-Benzenetricarboxylic Acid Trihexadecyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee product integrity and support your quality assurance protocols.

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 acids, and strong bases. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	White to off-white waxy solid or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.2%
Color (APHA)	≤ 100
Melting Point	45 - 55 °C

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