Description

Heptabromo-1,1'-Biphenyl is a highly brominated aromatic compound, specifically a heptabrominated derivative of biphenyl. This specialty chemical is valued for its role as a high-performance flame retardant additive and a versatile synthetic intermediate in advanced material science. It is primarily utilized by manufacturers in the polymer, electronics, and specialty chemical industries seeking to enhance the fire safety and thermal stability of their products.

Application

• As a high-efficiency flame retardant in engineering thermoplastics such as polycarbonate (PC), acrylonitrile butadiene styrene (ABS), and their blends.
• As a synergistic additive in halogenated flame retardant systems for epoxy resins and printed circuit boards (PCBs).
• As a key intermediate in the synthesis of more complex brominated aromatic compounds for research and development.
• In the formulation of fire-resistant coatings and cable insulation materials.
• For use in specialty polymer applications requiring enhanced thermal and oxidative stability.

Basic Information

Product Name	Heptabromo-1,1'-Biphenyl
CAS No.	35194-78-6
Molecular Formula	C12H3Br7
Molecular Weight	785.06 g/mol
Synonyms	1,1'-Biphenyl, Heptabromo-; Heptabromobiphenyl; 2,2',3,3',4,5,6-Heptabromo-1,1'-biphenyl; NSC 89289; Heptabromodiphenyl; Decabromodiphenyl Ether Related Compound; Flame Retardant BZ-54 (related analog)
EINECS	Contact for details

Quality Control

Our Heptabromo-1,1'-Biphenyl is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity and performance as a flame retardant intermediate. Certificates of Analysis (COA) detailing assay, impurity profile, and physical properties are available upon request to support your quality assurance protocols.

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 oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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