Description

1,3-Isobenzofurandione, 4,5,6,7-Tetrabromo-, Polymer With 1,2-Ethanediol, 2,5-Furandione And 2,2-Oxybisethanol is a specialized brominated polymeric compound designed for high-performance applications. This product is valued for its ability to impart excellent flame retardancy and thermal stability to polymer matrices. It is primarily sought by manufacturers in the electronics, construction, and advanced materials sectors seeking to enhance the safety and durability of their products.

Application

• As a reactive flame retardant in epoxy resin systems for printed circuit boards (PCBs) and electronic encapsulants.
• As an additive for thermoset plastics to improve fire resistance in construction materials and automotive components.
• In the formulation of fire-retardant coatings and adhesives for industrial and aerospace applications.
• For the development of specialty polymers requiring enhanced thermal-oxidative stability.
• As a synergistic agent in halogen-based flame retardant systems to boost efficiency.
• In research and development for next-generation flame-retardant materials.

Basic Information

Product Name	1,3-Isobenzofurandione, 4,5,6,7-Tetrabromo-, Polymer With 1,2-Ethanediol, 2,5-Furandione And 2,2-Oxybisethanol
CAS No.	65256-97-5
Molecular Formula	(C8Br4O3 · C2H6O2 · C4H2O3 · C4H10O3)n
Molecular Weight	Polymeric substance (Contact for details)
Synonyms	Tetrabromophthalic Anhydride-Glycol-Maleic Anhydride-Diethylene Glycol Copolymer; Brominated Polyester Polyol; Flame Retardant Polymeric Additive; TBPA Copolymer; Tetrabromophthalic Anhydride Oligomer; Reactive Brominated Oligomer; Polymer of Tetrabromophthalic Anhydride, Ethylene Glycol, Maleic Anhydride, and Diethylene Glycol
EINECS	Contact for details

Quality Control

Our production of this brominated polymer adheres to strict quality management systems. Each batch is characterized for critical parameters including bromine content, acid value, viscosity, and thermal stability to ensure consistent performance as a flame retardant. Comprehensive Certificates of Analysis (COA) documenting these specifications are provided with every 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). Keep away from heat sources and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or granules
Bromine Content (Br)	> 45 %
Acid Value	< 10 mg KOH/g
Softening Point	90 - 120 °C
Moisture Content	< 0.5 %
Identification (IR)	Conforms to structure

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