Description

(1-Methylethylidene)Bis(2,6-Dibromo-4,1-Phenylene) Bis(Bromoacetate) is a specialized brominated aromatic ester compound, serving as a high-performance reactive intermediate and flame retardant synergist. Its multi-brominated structure provides exceptional efficacy in enhancing fire resistance and thermal stability in advanced polymer formulations. This chemical is essential for manufacturers in the electronics, construction, and aerospace industries seeking to meet stringent fire safety regulations without compromising material integrity.

Application

• Reactive Flame Retardant Intermediate: Used in the synthesis of high-molecular-weight brominated flame retardants for engineering plastics like polycarbonate (PC), polybutylene terephthalate (PBT), and epoxy resins.
• Polymer Additive & Synergist: Enhances the flame-retardant performance of antimony trioxide and other synergists in thermoplastic and thermoset applications.
• Printed Circuit Board (PCB) Laminates: A key component in brominated epoxy resins for FR-4 laminates, providing critical UL94 V-0 rated fire resistance.
• Wire & Cable Insulation: Incorporated into polyethylene (PE) and polyvinyl chloride (PVC) compounds to improve flame retardancy for building and automotive wiring.
• Advanced Composite Materials: Used in formulations for aerospace and automotive composites where high thermal stability and low smoke emission are required.
• Chemical Synthesis Building Block: Serves as a versatile intermediate for further organic synthesis, including the creation of novel brominated compounds for research and development.

Basic Information

Product Name	(1-Methylethylidene)Bis(2,6-Dibromo-4,1-Phenylene) Bis(Bromoacetate)
CAS No.	83929-73-1
Molecular Formula	C21H16Br6O4
Molecular Weight	839.59 g/mol
Synonyms	Bis(2,6-dibromo-4-bromoacetoxyphenyl)propane; 2,2-Bis(3,5-dibromo-4-(bromoacetoxy)phenyl)propane; Tetrabromobisphenol A Bis(Bromoacetate); TBBPA-BBA; Propane, 2,2-bis[3,5-dibromo-4-(bromoacetoxy)phenyl]-; Brominated Bisphenol A Bis(Bromoacetate); Flame Retardant Intermediate 83929-73-1
EINECS	Contact for details

Quality Control

Our production of (1-Methylethylidene)Bis(2,6-Dibromo-4,1-Phenylene) Bis(Bromoacetate) adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with industry specifications. Certificates of Analysis (COA) detailing batch-specific results are available upon request, providing full traceability and quality assurance for your manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and reducing agents. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 195 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Bromine Content	Theoretical: ~57.1%

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