Description

3,3',4,4'-Biphenyltetracarboxylic Acid is a high-purity aromatic tetracarboxylic acid derivative that serves as a critical building block in advanced material synthesis. Its value lies in its ability to form thermally stable and chemically resistant polyimide and polyamide polymers. This compound is essential for manufacturers in the electronics, aerospace, and high-performance plastics industries seeking to produce materials with exceptional durability under extreme conditions.

Application

• Polyimide Monomer: A key precursor for the synthesis of high-performance polyimide resins and films, such as Kapton®-type materials, used in flexible printed circuits, wire insulation, and aerospace components.
• Liquid Crystal Polymer (LCP) Synthesis: Employed as a monomer in the production of aromatic LCPs for demanding applications in electronics, automotive, and telecommunications.
• High-Temperature Adhesives & Coatings: Used to formulate adhesives, sealants, and protective coatings that must maintain integrity at elevated temperatures.
• Advanced Composite Materials: Incorporated into the polymer matrix of carbon fiber and other composites to enhance thermal and mechanical properties.
• Pharmaceutical Intermediate: Serves as a sophisticated synthetic intermediate in the research and development of complex organic molecules.
• Metal-Organic Frameworks (MOFs): Acts as an organic linker in the construction of porous MOF materials for gas storage, separation, and catalysis.

Basic Information

Product Name	3,3',4,4'-Biphenyltetracarboxylic Acid
CAS No.	22803-05-0
Molecular Formula	C16H10O8
Molecular Weight	330.25 g/mol
Synonyms	BPTC; Biphenyl-3,3',4,4'-tetracarboxylic Acid; 3,3',4,4'-Biphenyltetracarboxylic Dianhydride Precursor; [1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic Acid; 3,3',4,4'-Diphenyltetracarboxylic Acid; 3,3',4,4'-Tetracarboxybiphenyl; Biphenyl-3,3',4,4'-tetracarboxylic Dianhydride (BTDA) Acid Form
EINECS	245-235-8

Quality Control

Our 3,3',4,4'-Biphenyltetracarboxylic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high-purity standards required for advanced polymer synthesis. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white 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.