Description

1,2,4-Benzenetricarboxylic Acid 1,2,4-Tris(7-Methyloctyl) Ester is a high-purity, branched alkyl ester derivative of trimellitic acid, offering exceptional performance as a specialty plasticizer and functional additive. This compound is engineered to provide superior compatibility, low volatility, and enhanced thermal stability in demanding polymer formulations. It is a critical material for manufacturers in the plastics, coatings, and specialty chemical industries seeking advanced additive solutions.

Application

• Specialty Plasticizer for high-temperature PVC, synthetic rubbers, and engineering plastics requiring low migration and extraction.
• Polymer Modifier to improve flexibility, processability, and low-temperature performance of resin systems.
• Functional Additive in adhesives, sealants, and coatings to enhance durability and weatherability.
• Lubricant and Viscosity Modifier in advanced synthetic lubricants and greases.
• Intermediate for the synthesis of more complex esters, polyols, and other specialty chemicals.
• Component in Wire & Cable Insulation formulations demanding long-term thermal aging resistance.

Basic Information

Item	Detail
Product Name	1,2,4-Benzenetricarboxylic Acid 1,2,4-Tris(7-Methyloctyl) Ester
CAS No.	890091-51-7
Molecular Formula	C37H62O6
Molecular Weight	602.89 g/mol
Synonyms	Trimellitic Acid Tris(7-Methyloctyl) Ester; 1,2,4-Benzenetricarboxylic Acid Tris(7-Methyloctyl) Ester; Tris(7-methyloctyl) Trimellitate; 7-Methyloctyl Trimellitate; TOTM (7-Me) derivative; Plasticizer TOTM-C8 branched; Trimellitate Ester of 7-Methyl-1-octanol
EINECS	Contact for details

Quality Control

Our 1,2,4-Benzenetricarboxylic Acid 1,2,4-Tris(7-Methyloctyl) Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) documenting key 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 0.5 mg KOH/g
Moisture (KF)	≤ 0.1%
Color (APHA)	≤ 50
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	0.970 - 0.990 g/mL

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