Description

Phenol, 4,4'-(1-Methylethylidene)bis-, Tetrabromo Derivative is a halogenated flame retardant additive derived from bisphenol A. This compound is valued for its high bromine content, which provides excellent flame-retardant efficiency in various polymer matrices. It is primarily utilized by formulators and compounders in the plastics, electronics, and construction materials industries seeking to enhance the fire safety of their products while maintaining material performance.

Application

• As a reactive or additive flame retardant in epoxy resins for printed circuit boards and electrical encapsulants.
• Incorporation into high-impact polystyrene (HIPS), ABS, and other engineering thermoplastics for electronic housings and components.
• Flame retardant applications in polyurethane foams and coatings for construction and insulation materials.
• Use in wire and cable insulation compounds to meet stringent fire safety standards.
• Potential synergist in flame-retardant formulations with antimony trioxide for enhanced performance.
• Intermediate for the synthesis of other specialized brominated flame retardants and polymers.

Basic Information

Product Name	Phenol, 4,4'-(1-Methylethylidene)bis-, Tetrabromo Derivative
CAS No.	121839-52-9
Molecular Formula	C15H12Br4O2
Molecular Weight	627.78 g/mol
Synonyms	Tetrabromobisphenol A; TBBPA; 4,4'-Isopropylidenebis(2,6-dibromophenol); 2,2',6,6'-Tetrabromobisphenol A; Fire Guard 3100; BA-59P; Brominated Bisphenol A; Phenol, 4,4'-(1-methylethylidene)bis[2,6-dibromo-
EINECS	Contact for details

Quality Control

Our production of Tetrabromobisphenol A adheres to rigorous quality control protocols to ensure batch-to-batch consistency and performance. Quality is verified through analytical methods including HPLC, GC, and titration to meet precise specification limits for bromine content, purity, and impurity profiles. A Certificate of Analysis (COA) detailing all relevant parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Bromine Content	≥ 57.0%
Melting Point	175 - 185 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%
Particle Size (Typical)	Pass through 200 mesh

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