Description

Trimellitic Acid Tri-n-Butyl Ester is a high-purity organic ester derived from trimellitic anhydride, serving as a versatile and effective plasticizer and intermediate. This compound is valued for its ability to impart flexibility, durability, and processing advantages to high-performance polymers. It is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product performance and stability.

Application

• Primary plasticizer for high-temperature PVC cables and specialty polymers requiring excellent permanence and low volatility.
• Key monomer or co-monomer in the synthesis of polyimide resins and other high-performance engineering plastics.
• Intermediate in the production of adhesives, sealants, and coatings that demand enhanced flexibility and thermal stability.
• Additive for synthetic lubricants and functional fluids to improve viscosity and performance characteristics.
• Plasticizer for nitrocellulose and other cellulose-based coatings and films.
• Component in the formulation of specialty inks and colorants.

Basic Information

Product Name	Trimellitic Acid Tri-n-Butyl Ester
CAS No.	1726-23-4
Molecular Formula	C21H30O6
Molecular Weight	378.46 g/mol
Synonyms	1,2,4-Benzenetricarboxylic Acid Tributyl Ester; Tributyl Trimellitate; TBTM; Trimellitic Acid Tributyl Ester; Tri-n-Butyl Trimellitate; n-Butyl Trimellitate; Tributyl 1,2,4-Benzenetricarboxylate; TATM
EINECS	217-031-4

Quality Control

Our Trimellitic Acid Tri-n-Butyl Ester is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent internal specifications, with comprehensive testing for identity, assay, and critical impurities. A Certificate of Analysis (COA) documenting all test results is provided with every shipment to guarantee compliance with your technical requirements.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	1.070 - 1.090
Refractive Index (20°C)	1.485 - 1.495

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