Description

3,3',4,4'-Biphenyl Tetracarboxylic Acid is a high-purity aromatic polycarboxylic acid derivative that serves as a critical building block in advanced material synthesis. Its value lies in its rigid, planar molecular structure and the presence of four reactive carboxyl groups, enabling the creation of polymers with exceptional thermal stability and mechanical properties. This compound is essential for manufacturers and R&D teams in the polymer, electronics, and specialty chemical industries seeking to develop high-performance polyimides, polyamides, and other engineering plastics.

Application

• Polyimide Monomer: A key precursor for the synthesis of high-performance, heat-resistant polyimide resins and films used in aerospace, electronics, and flexible displays.
• Liquid Crystal Polymer (LCP) Intermediate: Employed in the production of LCPs for connectors, sockets, and other precision electronic components requiring dimensional stability.
• Phthalocyanine Pigment Synthesis: Acts as a starting material for creating complex phthalocyanine derivatives used in high-grade pigments and dyes.
• Metal-Organic Framework (MOF) Construction: Utilized as an organic linker due to its multiple coordination sites, forming porous materials for gas storage, separation, and catalysis.
• Epoxy Curing Agent & Modifier: Enhances the thermal and chemical resistance of epoxy resin systems for advanced composite materials.
• Pharmaceutical Intermediate: Serves as a sophisticated synthon in the research and development of active pharmaceutical ingredients (APIs).

Basic Information

Product Name	3,3',4,4'-Biphenyl Tetracarboxylic Acid
CAS No.	36978-37-7
Molecular Formula	C16H10O8
Molecular Weight	330.25 g/mol
Synonyms	BPDA (Biphenyl-3,3',4,4'-tetracarboxylic dianhydride) precursor; 3,3',4,4'-Biphenyltetracarboxylic Acid; Biphenyl-3,3',4,4'-tetracarboxylic Acid; [1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic Acid; BTCA; 3,3',4,4'-Diphenyltetracarboxylic Acid; 4,4'-Biphenyltetracarboxylic Acid (isomer); 3,3',4,4'-Tetracarboxybiphenyl
EINECS	Contact for details

Quality Control

Our 3,3',4,4'-Biphenyl Tetracarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for advanced material applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics 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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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