Description

1,1'-Biphenyl-3,3',4,4'-Tetracarboxylic Acid Tetrasodium Salt is a high-purity, water-soluble derivative of biphenyltetracarboxylic acid, serving as a critical intermediate and functional additive. This compound matters for its ability to act as a versatile building block in advanced material synthesis and as a chelating agent in specialized formulations. It is primarily needed by manufacturers in the polymer, electronics, and specialty chemical industries for applications requiring precise molecular architecture and ionic functionality.

Application

• Polymer Synthesis: Key monomer for producing high-performance polyimides, polyamides, and other heat-resistant polymers.
• Electronics Industry: Used in the formulation of photoresists, liquid crystal alignment layers, and dielectric materials.
• Chelating Agent: Functions as a water-treatment chemical and metal ion sequestrant in industrial processes.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of complex active pharmaceutical ingredients (APIs).
• Dye & Pigment Manufacturing: Intermediate for creating advanced colorants and optical brighteners.
• Adhesive & Coating Formulations: Imparts specific ionic and thermal properties to specialty coatings and adhesives.
• Research & Development: Used in academic and industrial R&D for developing new functional materials.

Basic Information

Product Name	1,1'-Biphenyl-3,3',4,4'-Tetracarboxylic Acid Tetrasodium Salt
CAS No.	74390-85-5
Molecular Formula	C16H4Na4O8
Molecular Weight	452.15 g/mol
Synonyms	3,3',4,4'-Biphenyltetracarboxylic Acid Tetrasodium Salt; Biphenyl-3,3',4,4'-tetracarboxylic Acid Sodium Salt; Tetrasodium Biphenyl-3,3',4,4'-tetracarboxylate; BPTC Tetrasodium Salt; 1,1'-Biphenyl-3,3',4,4'-tetracarboxylic Acid Sodium Salt; Sodium 3,3',4,4'-Biphenyltetracarboxylate; [1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic Acid, Tetrasodium Salt
EINECS	Contact for details

Quality Control

Our 1,1'-Biphenyl-3,3',4,4'-Tetracarboxylic Acid Tetrasodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for advanced material synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
pH (5% Solution)	7.0 - 9.0
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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