Description

4,4'-(1-Methylethylidene)Bis[2,6-Dibromophenol]Polymer With (Chloromethyl)Oxirane And 2,4,6-Tribromophenol CAS NO 158725-44-1 is a high-performance brominated polymeric flame retardant. This compound is engineered to provide exceptional thermal stability and fire suppression properties in demanding polymer matrices. It is a critical additive for manufacturers in the electronics, construction, and transportation industries seeking to meet stringent fire safety regulations without compromising material integrity.

Application

• Primary flame retardant for engineering thermoplastics such as PBT (Polybutylene Terephthalate), PET (Polyethylene Terephthalate), and polyamides (nylons).
• Enhancing fire resistance in epoxy resin systems used for printed circuit boards (PCBs) and electrical encapsulants.
• Additive for thermoset polyester resins in construction composites and automotive parts.
• Flame retardant component in wire and cable insulation and jacketing materials.
• Used in polyurethane foams and coatings for improved fire safety.
• Formulation of fire-resistant adhesives and sealants.
• Potential synergist in halogen-antimony flame retardant systems for enhanced efficiency.

Basic Information

Product Name	4,4'-(1-Methylethylidene)Bis[2,6-Dibromophenol]Polymer With (Chloromethyl)Oxirane And 2,4,6-Tribromophenol
CAS No.	158725-44-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Brominated Epoxy Polymer; Tetrabromobisphenol A Epoxy Oligomer; Brominated Epoxy Resin; TBBA Epoxy Oligomer; Flame Retardant BEO; FR-1025; Polymer of tetrabromobisphenol A diglycidyl ether and tribromophenol
EINECS	Contact for details

Quality Control

Our production of this brominated polymer adheres to strict quality management systems. Every batch is analyzed to ensure consistent bromine content, epoxy equivalent weight, and thermal stability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters to support your quality assurance protocols and regulatory compliance needs.

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, sparks, and open flame. Ensure the container is kept sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Bromine Content	≥ 50%
Epoxy Equivalent Weight (EEW)	Contact for details
Softening Point	Contact for details
Volatile Content	≤ 0.5%
Identification (IR)	Conforms

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