Description

4,4'-Dibromo-2,2'-Diiodobiphenyl is a high-purity halogenated biphenyl derivative, a versatile and critical building block in advanced organic synthesis. Its unique structure, featuring both bromine and iodine substituents, makes it an essential precursor for creating complex molecules with tailored electronic and steric properties. This compound is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for candidates requiring halogenated aromatic cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the halogen atoms contribute to biological activity and stability.
• Ligand Precursor in Catalysis: Acts as a starting material for synthesizing sophisticated phosphine or N-heterocyclic carbene (NHC) ligands used in transition metal catalysis.
• Organic Electronic Materials: Employed in the synthesis of organic semiconductors, hole-transport materials, or light-emitting materials for OLEDs and other optoelectronic devices.
• Cross-Coupling Reactions: An excellent substrate for sequential Suzuki, Stille, or Negishi cross-coupling reactions to construct complex polyaromatic systems.
• Liquid Crystal & Polymer Research: Utilized as a monomer or dopant in the development of specialized liquid crystalline compounds and high-performance polymers.

Basic Information

Product Name	4,4'-Dibromo-2,2'-Diiodobiphenyl
CAS No.	852138-89-7
Molecular Formula	C12H6Br2I2
Molecular Weight	611.79 g/mol
Synonyms	2,2'-Diiodo-4,4'-dibromobiphenyl; 4,4'-Dibromo-2,2'-diiodo-1,1'-biphenyl; Biphenyl, 4,4'-dibromo-2,2'-diiodo-; [1,1'-Biphenyl]-4,4'-dibromo-2,2'-diiodo-
EINECS	Contact for details

Quality Control

Our 4,4'-Dibromo-2,2'-Diiodobiphenyl is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality systems are designed to support cGMP and ISO standards for reliable, batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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