Description

1,2,4-Benzenetricarboxylic Acid 1-(2-Ethylhexyl) Ester is a specialized organic ester derived from trimellitic acid, serving as a key intermediate and functional additive in advanced polymer systems. Its primary value lies in its ability to act as a plasticizer and modifier, enhancing the flexibility, durability, and processing characteristics of high-performance resins. This compound is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to fine-tune material properties for demanding applications.

Application

• Primary plasticizer and co-plasticizer for polyvinyl chloride (PVC) and other polymer systems to improve flexibility and low-temperature performance.
• Intermediate in the synthesis of specialty polyesters and alkyd resins for high-quality industrial coatings and adhesives.
• Functional monomer for modifying epoxy resins, enhancing their toughness and impact resistance.
• Additive in sealant and caulk formulations to optimize viscosity, adhesion, and long-term stability.
• Component in the production of high-temperature lubricants and synthetic fluids.
• Raw material for creating compatibilizers and processing aids in engineering plastics blends.

Basic Information

Item	Details
Product Name	1,2,4-Benzenetricarboxylic Acid 1-(2-Ethylhexyl) Ester
CAS No.	61137-09-5
Molecular Formula	C19H26O6
Molecular Weight	350.41 g/mol
Synonyms	1-(2-Ethylhexyl) Trimellitate; Trimellitic Acid 1-(2-Ethylhexyl) Ester; 2-Ethylhexyl Hydrogen Trimellitate; Mono(2-ethylhexyl) Trimellitate; TMEH; Trimellitic Acid Mono(2-ethylhexyl) Ester; 1,2,4-Benzenetricarboxylic Acid, 1-(2-Ethylhexyl) Ester; 4-Carboxyphthalic Acid 2-Ethylhexyl Ester
EINECS	Contact for details

Quality Control

Our production of 1,2,4-Benzenetricarboxylic Acid 1-(2-Ethylhexyl) Ester adheres to rigorous quality management systems to ensure batch-to-batch consistency and purity. Every lot is analyzed against stringent internal specifications, with key parameters including assay, color, and acid value. A comprehensive Certificate of Analysis (COA) documenting these results is provided with each shipment to 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 bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1%

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