Description

Tetrabutyl Benzene-1,2,4,5-Tetracarboxylate is a high-purity organic ester derivative of pyromellitic acid, serving as a critical intermediate and functional additive in advanced material synthesis. Its value lies in its ability to act as a versatile building block for polymers and as a specialized plasticizer or cross-linking agent, offering enhanced thermal and chemical stability. This compound is essential for manufacturers in the polymer, specialty chemical, and advanced coatings industries seeking to develop high-performance materials.

Application

• Polymer Intermediate: A key monomer for synthesizing high-performance polyimides, polyesters, and polyamides, contributing to thermal stability and mechanical strength.
• Specialty Plasticizer: Used as a high-molecular-weight plasticizer in specialty PVC formulations and other polymer systems to improve flexibility and durability.
• Cross-linking Agent: Functions as a cross-linker in resin and coating formulations to enhance network density, chemical resistance, and thermal properties.
• Lubricant & Grease Additive: Employed as a synthetic base or additive in high-temperature lubricants and functional greases.
• Organic Synthesis Building Block: Serves as a protected or activated form of pyromellitic acid for complex organic syntheses in pharmaceutical and agrochemical research.
• Adhesive & Sealant Formulation: Incorporated into high-performance adhesives and sealants to improve adhesion and environmental resistance.

Basic Information

Product Name	Tetrabutyl Benzene-1,2,4,5-Tetracarboxylate
CAS No.	2451-79-8
Molecular Formula	C30H46O8
Molecular Weight	534.69 g/mol
Synonyms	Pyromellitic Acid Tetrabutyl Ester; 1,2,4,5-Benzenetetracarboxylic Acid Tetrabutyl Ester; Tetrabutyl Pyromellitate; Butyl Pyromellitate; Benzene-1,2,4,5-tetracarboxylic Acid Tetrabutyl Ester; TBPM; Tetra-n-butyl Benzene-1,2,4,5-Tetracarboxylate
EINECS	219-500-6

Quality Control

Our Tetrabutyl Benzene-1,2,4,5-Tetracarboxylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and compositional specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee consistency and support your quality assurance protocols.

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, strong acids, and strong bases. The container should be kept tightly sealed when not in use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Refractive Index (20°C)	1.480 - 1.490
Density (20°C)	1.05 - 1.10 g/cm³

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