Description

Pentabromo-1,1'-Biphenyl is a halogenated aromatic compound of significant industrial interest, primarily valued for its role as a highly effective flame retardant additive. Its chemical structure provides excellent thermal stability and flame-suppressing properties, making it a critical component in enhancing the fire safety of various polymer systems. This product is essential for manufacturers in the plastics, electronics, and construction materials sectors seeking to meet stringent fire safety regulations.

Application

• As a flame retardant synergist in engineering thermoplastics such as ABS, HIPS, and polyamides.
• In the formulation of fire-resistant coatings and paints for construction materials and textiles.
• As an additive in electronic encapsulants and circuit board substrates to improve fire safety ratings.
• For use in wire and cable insulation compounds to meet industry safety standards (e.g., UL, IEC).
• In the production of fire-retardant polyurethane foams used in furniture and automotive interiors.
• As an intermediate in the synthesis of other specialized brominated flame retardants.

Basic Information

Product Name	Pentabromo-1,1'-Biphenyl
CAS No.	56307-79-0
Molecular Formula	C₁₂H₅Br₅
Molecular Weight	588.59 g/mol
Synonyms	1,1'-Biphenyl, pentabromo-; Pentabromobiphenyl; 2,2',4,4',6-Pentabromobiphenyl; 2,2',4,4',6-Pentabromo-1,1'-biphenyl; PBB-103; Bromkal 80-9D; FR-103; Flame Retardant BZ-54
EINECS	260-128-5

Quality Control

Our Pentabromo-1,1'-Biphenyl is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise specifications for purity, bromine content, and thermal stability. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee traceability and compliance.

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, and open flame. Ensure the container is kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	180 - 185 °C
Loss on Drying	≤ 0.5%
Bromine Content	≥ 67.5%
Heavy Metals (as Pb)	≤ 20 ppm

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