Description

1,3-Benzenedicarboxylic Acid, 5,5'-[Sulfonylbis(4,1-Phenylenecarbonylimino)]Bis-, 1,1',3,3'-Tetrakis(2,4-Dibromo-6-Carboxyphenyl) Ester is a complex, high-molecular-weight brominated aromatic ester with a sulfonyl-bridged bisimide structure. This compound is engineered to deliver exceptional thermal stability and flame-retardant properties, making it a critical performance additive in advanced polymer systems. It is primarily utilized by manufacturers in the electronics, aerospace, and specialty plastics industries seeking to enhance material safety and durability under extreme conditions.

Application

• Flame Retardant for High-Performance Polymers: A key additive in engineering plastics (e.g., polycarbonates, polyesters, polyamides) for electronics enclosures and automotive components.
• Specialty Chemical Intermediate: Used in the synthesis of advanced polyimides and other heat-resistant polymers for aerospace and military applications.
• Additive for Wire & Cable Insulation: Imparts flame retardancy and improved thermal properties to insulation and jacketing materials.
• Component in Thermoset Resins: Incorporated into epoxy and other resin systems for printed circuit boards (PCBs) and composite materials.
• Research & Development: Serves as a building block for developing novel polymeric materials with specific thermal and mechanical characteristics.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 5,5'-[Sulfonylbis(4,1-Phenylenecarbonylimino)]Bis-, 1,1',3,3'-Tetrakis(2,4-Dibromo-6-Carboxyphenyl) Ester
CAS No.	1083166-27-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	5,5'-[Sulfonylbis(4,1-phenylenecarbonylimino)]bis[1,3-benzenedicarboxylic acid] 1,1',3,3'-tetrakis(2,4-dibromo-6-carboxyphenyl) ester; Tetrakis(2,4-dibromo-6-carboxyphenyl) 5,5'-(sulfonylbis(azanediyl))bis(4,1-phenylene)bis(oxy)diisophthalate; Brominated Sulfonyl Bisimide Ester; High MW Brominated Aromatic Ester Flame Retardant; Sulfonyl-bridged Tetrabromophthalate Ester
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and elemental analysis for bromine content, to ensure consistent performance and specification compliance. Comprehensive Certificates of Analysis (COA) documenting all critical parameters are 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 material is moisture-sensitive (hygroscopic); keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Bromine Content	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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