Description

1,2,4-Benzenetricarboxylic Acid Hydrogen 1,2-Dioctyl Ester is a high-purity organic ester derivative of trimellitic acid, valued for its role as a specialized plasticizer and intermediate in advanced polymer synthesis. Its molecular structure provides excellent compatibility and performance modification in demanding formulations. This product is essential for 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 polyvinyl chloride (PVC), polyurethane, and other engineering polymers.
• Key intermediate in the synthesis of heat-resistant polyimide resins and other advanced polymeric materials.
• Component in the formulation of high-temperature adhesives and sealants requiring enhanced stability.
• Used in the production of plasticizer esters for wire and cable insulation applications.
• Modifier for coating resins to improve flexibility and adhesion properties.
• Raw material for synthesizing lubricant additives and functional fluids.
• Intermediate in organic synthesis for pharmaceuticals and agrochemicals.

Basic Information

Product Name	1,2,4-Benzenetricarboxylic Acid Hydrogen 1,2-Dioctyl Ester
CAS No.	84297-20-1
Molecular Formula	C26H40O6
Molecular Weight	448.60 g/mol
Synonyms	1,2,4-Benzenetricarboxylic Acid 1,2-Dioctyl Ester Hydrogen; Trimellitic Acid 1,2-Dioctyl Ester; 1,2-Dioctyl Hydrogen Trimellitate; Dioctyl Hydrogen Trimellitate; 1,2,4-Benzenetricarboxylic Acid, 1,2-Dioctyl Ester; Hydrogen Dioctyl Trimellitate; Octyl Trimellitate (mixed ester); TOTM Monoester (related)
EINECS	Contact for details

Quality Control

Our 1,2,4-Benzenetricarboxylic Acid Hydrogen 1,2-Dioctyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications are available for every 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 oxidizing agents, strong acids, and strong bases. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.2%
Color (APHA)	≤ 100

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