Description

4,4'-Dibromobiphenyl CAS NO 92-86-4 is a high-purity brominated aromatic compound widely used as a versatile chemical intermediate in advanced synthesis. Its value lies in its role as a key building block for creating complex molecules in research and industrial applications. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty polymer sectors.

Application

• Pharmaceutical intermediate for the synthesis of active pharmaceutical ingredients (APIs).
• Key building block in agrochemical research for developing novel crop protection agents.
• Monomer or precursor in the production of high-performance polymers and liquid crystals.
• Intermediate in organic synthesis for creating ligands, catalysts, and other fine chemicals.
• Starting material for advanced material science research, including organic electronics.
• Reference standard for analytical testing and quality control in chemical manufacturing.

Basic Information

Product Name	4,4'-Dibromobiphenyl
CAS No.	92-86-4
Molecular Formula	C12H8Br2
Molecular Weight	312.00 g/mol
Synonyms	1,1'-Biphenyl, 4,4'-dibromo-; p,p'-Dibromobiphenyl; 4,4'-Dibromo-1,1'-biphenyl; 4,4'-Dibromodiphenyl; Biphenyl, 4,4'-dibromo-; NSC 5111; p,p'-Dibromodiphenyl
EINECS	202-200-0

Quality Control

Our 4,4'-Dibromobiphenyl is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity. Certificates of Analysis (COA) detailing all specifications are provided and 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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	160 - 164 °C
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.