Description

Diphenyl 1,3-Benzenedicarboxylate, Polymer With (1,1''-Biphenyl)- 3,3'',4,4''-Tetramine, Sulfate is a specialized polymeric material known for its robust thermal and chemical stability. This compound is valued for its role as a high-performance precursor or functional additive in advanced material synthesis. It is primarily sought by industries focused on developing high-temperature polymers, specialty coatings, and electronic materials. Consistent quality and reliable supply are critical for ensuring optimal performance in these demanding applications.

Application

• As a key monomer or intermediate in the synthesis of high-performance polyimides and polybenzimidazoles (PBI) for aerospace and automotive components.
• In the formulation of heat-resistant coatings and adhesives for industrial equipment.
• For the development of specialty engineering plastics requiring exceptional thermal and mechanical properties.
• As a potential component in advanced composite materials for structural applications.
• In research and development of high-temperature polymer membranes for separation technologies.
• For use in electronic packaging materials and other microelectronic applications.

Basic Information

Product Name	Diphenyl 1,3-Benzenedicarboxylate, Polymer With (1,1''-Biphenyl)- 3,3'',4,4''-Tetramine, Sulfate
CAS No.	70955-78-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly[(1,1'-biphenyl)-3,3',4,4'-tetrayltetraamine-co-(benzene-1,3-dicarboxylic acid diphenyl ester) sulfate]; Poly(biphenyltetramine-co-diphenyl isophthalate) sulfate; Biphenyltetramine-Diphenyl Isophthalate Copolymer Sulfate; 70955-78-1; Sulfate salt of poly(biphenyltetramine-co-diphenyl isophthalate)
EINECS	Contact for details

Quality Control

Our production of Diphenyl 1,3-Benzenedicarboxylate, Polymer With (1,1''-Biphenyl)- 3,3'',4,4''-Tetramine, Sulfate adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure consistency and meets agreed-upon specifications. A Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with each shipment to guarantee traceability and compliance.

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 sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Powder or Granules
Color	Off-white to light yellow
Identification (IR)	Conforms to structure
Assay (Polymer Content)	≥ 95.0%
Moisture Content (KF)	≤ 2.0%
Ash Content	≤ 1.0%
Solubility	Partially soluble in polar aprotic solvents

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