Description

Meso-Butane-1,2,3,4-Tetracarboxylic Dianhydride is a high-purity, multifunctional organic building block of significant industrial importance. This compound serves as a critical precursor for the synthesis of advanced polymers, including polyimides and polyamides, valued for their exceptional thermal stability and mechanical properties. It is essential for manufacturers and R&D laboratories in the electronics, aerospace, and specialty coatings sectors seeking to develop high-performance materials.

Application

• Polyimide Synthesis: A key monomer for producing high-temperature, chemically resistant polyimide films and resins used in flexible printed circuits (FPCs) and aerospace components.
• Epoxy Curing Agent: Functions as a hardener for epoxy resins, enhancing their thermal and mechanical properties for advanced composite materials.
• Crosslinking Agent: Used to create crosslinked polymer networks in coatings, adhesives, and encapsulants, improving their durability and chemical resistance.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Liquid Crystal Polymers (LCPs): Employed as a monomeric unit in the production of high-performance LCPs for electronics and precision molding.
• Research & Development: A valuable reagent in organic synthesis and materials science research for developing novel polymers and functional materials.

Basic Information

Product Name	Meso-Butane-1,2,3,4-Tetracarboxylic Dianhydride
CAS No.	17309-39-6
Molecular Formula	C8H6O6
Molecular Weight	198.13 g/mol
Synonyms	1,2,3,4-Butanetetracarboxylic Dianhydride; BTDA (common abbreviation); meso-1,2,3,4-Butanetetracarboxylic Acid Dianhydride; Butane-1,2,3,4-tetracarboxylic Dianhydride; 1,2,3,4-Butanetetracarboxylic Acid Dianhydride; meso-BTDA; 1,2,3,4-Butanetetracarboxylic 1,4:2,3-Dianhydride
EINECS	241-326-9

Quality Control

Our Meso-Butane-1,2,3,4-Tetracarboxylic Dianhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for high-performance applications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to 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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent hydrolysis and degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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