Description

Tetrabrom-o-Biphenol (CAS NO 63990-95-4) is a high-performance brominated aromatic compound valued for its exceptional flame-retardant properties and thermal stability. It serves as a critical reactive intermediate and additive in the production of advanced polymers and engineering plastics. This product is essential for manufacturers in the electronics, construction, and automotive industries seeking to enhance the fire safety and durability of their materials without compromising performance.

Application

• As a key reactive flame retardant in the synthesis of epoxy resins, phenolic resins, and polycarbonates.
• As an additive flame retardant in high-impact polystyrene (HIPS), ABS, and other thermoplastic blends.
• In the production of printed circuit boards (PCBs) and electronic encapsulants to meet stringent UL-94 standards.
• For manufacturing fire-resistant coatings, adhesives, and composite materials used in construction and transportation.
• As an intermediate in the synthesis of other specialty brominated compounds for advanced material science.

Basic Information

Product Name	Tetrabrom-o-Biphenol
CAS No.	63990-95-4
Molecular Formula	C12H6Br4O2
Molecular Weight	485.79 g/mol
Synonyms	2,2',6,6'-Tetrabromobiphenyl-4,4'-diol; 4,4'-Dihydroxy-2,2',6,6'-tetrabromobiphenyl; TBBPA-A (Tetrabromobisphenol A analogue); o,o'-Tetrabromobiphenol; Firemaster BPC-48; FR-1524; Brominated bisphenol derivative
EINECS	Contact for details

Quality Control

Our Tetrabrom-o-Biphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, bromine content, and thermal properties. We provide Certificates of Analysis (COA) with detailed specifications for trace metals, moisture, and melting point. Our production adheres to relevant global standards for industrial chemicals, ensuring reliable performance in your formulations.

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 strong oxidizers and heat sources. This material is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	180 - 185 °C
Bromine Content	≥ 65.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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