Description

Phenol, 4,4'-(1-Methylethylidene)Bis-, Polymer With (Chloromethyl)Oxirane, Methyloxirane And Oxirane is a specialized epoxy resin intermediate, widely recognized as a brominated or chlorinated derivative of bisphenol A-based epoxy. This compound is engineered to impart enhanced flame retardancy and thermal stability to polymer matrices. It is a critical raw material for formulators and manufacturers in the electronics, construction, and aerospace industries seeking to meet stringent fire safety regulations without compromising material performance.

Application

• As a reactive flame retardant intermediate in the production of epoxy resins for printed circuit boards (PCBs) and semiconductor encapsulation.
• Formulation of fire-resistant coatings and adhesives for construction materials and automotive components.
• Manufacture of composite materials requiring improved thermal stability for aerospace and transportation applications.
• Modification of engineering plastics to achieve UL94 V-0 and other industry-standard flame retardancy ratings.
• Production of specialty electrical insulation materials, including laminates and potting compounds.

Basic Information

Product Name	Phenol, 4,4'-(1-Methylethylidene)Bis-, Polymer With (Chloromethyl)Oxirane, Methyloxirane And Oxirane
CAS No.	68081-93-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Epoxy resin, brominated; Tetrabromobisphenol A epoxy resin; Brominated epoxy resin oligomer; TBBA epoxy resin; Flame retardant epoxy resin; Epoxy resin derivative of tetrabromobisphenol A; Bisphenol A, brominated, epoxy polymer; CAS 68081-93-6
EINECS	Contact for details

Quality Control

Our production of this epoxy resin intermediate adheres to a rigorous quality management system. Every batch is tested to ensure consistent bromine/chlorine content, epoxy equivalent weight (EEW), viscosity, and thermal properties critical for downstream performance. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and compliance with your formulation requirements.

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 acids and bases. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Epoxy Equivalent Weight (EEW)	Contact for details
Halogen Content (Br/Cl)	Contact for details
Viscosity (at 25°C)	Contact for details
Softening Point	Contact for details
Hydrolyzable Chloride	≤ Contact for details
Color (Gardner)	≤ Contact for details

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