Description

2,3,3,4-Biphenyl Tetracarboxylic Dianhydride CAS NO 36978-41-3 is a high-purity aromatic dianhydride monomer essential for advanced polymer synthesis. This compound serves as a critical building block for creating high-performance polyimides and polyamide-imides, materials prized for their exceptional thermal stability and mechanical strength. It is primarily sought by manufacturers in the electronics, aerospace, and specialty coatings industries for developing next-generation insulating films, adhesives, and composite matrices.

Application

• Polyimide Precursor: A key monomer for synthesizing high-temperature, high-strength polyimide resins and films.
• Electronic Materials: Used in the production of dielectric layers, flexible printed circuit boards (FPCBs), and semiconductor passivation coatings.
• Advanced Composites: Imparts thermal and chemical resistance to fiber-reinforced composites for aerospace and automotive applications.
• Specialty Coatings & Adhesives: Formulation of heat-resistant coatings for wires, cables, and industrial components, as well as high-performance adhesives.
• Liquid Crystal Polymer (LCP) Modification: Acts as a comonomer to enhance the thermal and mechanical properties of LCPs.
• Gas Separation Membranes: Used in the synthesis of polyimide membranes for selective gas separation processes.

Basic Information

Product Name	2,3,3,4-Biphenyl Tetracarboxylic Dianhydride
CAS No.	36978-41-3
Molecular Formula	C16H6O6
Molecular Weight	294.22 g/mol
Synonyms	2,3,3',4'-Biphenyltetracarboxylic Dianhydride; 2,3,3',4'-Biphenyltetracarboxylic Acid Dianhydride; 2,3,3',4'-Biphenyl Tetracarboxylic Dianhydride; 2,3,3',4'-Biphenyltetracarboxylic 1,2:1',2'-Dianhydride; 2,3,3',4'-Biphenyl Dianhydride; 2,3,3',4'-BPDA; a-BPDA (common abbreviation); 1,1'-Biphenyl-2,3,3',4'-tetracarboxylic Dianhydride
EINECS	Contact for details

Quality Control

Our 2,3,3,4-Biphenyl Tetracarboxylic Dianhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for high-performance polymer applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment.

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, inert conditions to prevent hydrolysis and maintain purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Purity (HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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