Description

Tri-n-Hexyltrimellitate is a high-performance, synthetic organic ester derived from trimellitic anhydride and n-hexanol. This compound serves as a critical specialty plasticizer, valued for its excellent permanence, low volatility, and superior resistance to extraction. It is primarily sought by manufacturers in the polymer and specialty chemical industries for formulating durable, high-temperature resistant products.

Application

• Primary Plasticizer for high-temperature PVC (polyvinyl chloride) wire and cable insulation.
• Co-plasticizer in automotive interior components requiring low fogging and high thermal stability.
• Performance additive in synthetic rubber and other elastomers to improve flexibility and longevity.
• Functional fluid base or component in high-temperature lubricants and hydraulic fluids.
• Adhesive and sealant formulations requiring plasticizers with low migration tendencies.
• Specialty polymer applications where resistance to hydrocarbon extraction is critical.

Basic Information

Product Name	Tri-n-Hexyltrimellitate
CAS No.	1528-49-0
Molecular Formula	C33H54O6
Molecular Weight	546.78 g/mol
Synonyms	1,2,4-Benzenetricarboxylic Acid, Trihexyl Ester; Trihexyl Trimellitate; THTM; n-Hexyl Trimellitate; Trimellitic Acid Trihexyl Ester; TOTM-H (Hexyl variant); Plasticizer THTM; Tris(hexyloxycarbonyl)benzene; Hexyl Trimellitate
EINECS	219-213-7

Quality Control

Our Tri-n-Hexyltrimellitate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and acid value. Certificates of Analysis (COA) documenting these results 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, 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)	≥ 98.5%
Acid Value (mg KOH/g)	≤ 0.1
Color (APHA)	≤ 50
Moisture (KF)	≤ 0.1%
Refractive Index (n20D)	1.478 - 1.482
Specific Gravity (20/20°C)	0.970 - 0.990

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