Description

1,2,4-Benzenetricarboxylic Acid, Isooctyl Ester is a high-purity specialty ester derived from trimellitic acid, valued for its excellent solvency and plasticizing properties. This compound is engineered to enhance the performance and durability of polymer systems, offering superior compatibility and stability. It is a critical intermediate and additive for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable performance modifiers.

Application

• As a primary or secondary plasticizer in PVC and other polymer formulations to improve flexibility and processability.
• Key intermediate in the synthesis of high-performance polyester resins and alkyd coatings.
• Functional additive in adhesives and sealants to modify rheology and enhance adhesion.
• Solvent and carrier in specialty inks, dyes, and pigment preparations.
• Component in lubricant and grease formulations for improved thermal stability.
• Used in the production of epoxy curing agents and other cross-linking agents.

Basic Information

Product Name	1,2,4-Benzenetricarboxylic Acid, Isooctyl Ester
CAS No.	68186-32-3
Molecular Formula	C27H42O6
Molecular Weight	462.62 g/mol
Synonyms	Isooctyl Trimellitate; Trimellitic Acid Triisooctyl Ester; Triisooctyl Trimellitate; TOTM; 1,2,4-Benzenetricarboxylic Acid, Triisooctyl Ester; Isooctyl Ester of Trimellitic Acid; Tris(6-methylheptyl) Benzene-1,2,4-tricarboxylate; Tris(isoctyl) Trimellitate
EINECS	Contact for details

Quality Control

Our 1,2,4-Benzenetricarboxylic Acid, Isooctyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and acid value. Certificates of Analysis (COA) are provided to guarantee traceability and compliance with customer requirements and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Viscous Liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1%
Specific Gravity (20°C)	0.980 - 0.995
Refractive Index (20°C)	1.480 - 1.490

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