Description

Tricapryl Trimellitate is a high-performance, synthetic ester derived from trimellitic anhydride and capryl alcohol. This versatile compound serves as an excellent, low-volatility plasticizer and emollient, prized for its stability and compatibility with a wide range of polymers and formulations. It is a critical material for manufacturers in the plastics, personal care, and specialty lubricants industries seeking to enhance product flexibility, texture, and longevity.

Application

• Primary Plasticizer for PVC, polyurethane, and other polymers, offering excellent low-temperature flexibility and resistance to migration.
• High-Performance Lubricant Base Oil and synthetic ester component in industrial and aviation lubricants, providing thermal stability and low volatility.
• Skin Care Emollient in cosmetic and personal care formulations, valued for its non-greasy feel and skin-softening properties.
• Adhesive & Sealant Modifier to improve flexibility, adhesion, and durability in various resin-based systems.
• Functional Fluid in high-temperature hydraulic systems and heat transfer applications.
• Coalescing Agent & Film Former in specialty coatings and inks.

Basic Information

Product Name	Tricapryl Trimellitate
CAS No.	27251-75-8
Molecular Formula	C33H54O6
Molecular Weight	546.8 g/mol
Synonyms	1,2,4-Benzenetricarboxylic acid, tris(2-ethylhexyl) ester; Tris(2-ethylhexyl) trimellitate; TEHTM; Tri(2-ethylhexyl) trimellitate; Trimellitic acid tris(2-ethylhexyl ester); TOTM (common industry name); Tris(octyl) trimellitate; Plasticizer TOTM
EINECS	248-351-7

Quality Control

Our Tricapryl Trimellitate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, acid value, color, and moisture content are provided to guarantee consistent quality and traceability for our global B2B clients.

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 oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value (mg KOH/g)	≤ 0.1
Moisture (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.990 - 0.995
Refractive Index (20°C)	1.483 - 1.487

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