Description

4,4'-Dibromo-2,2'-Dimethyl-1,1'-Binaphthalene is a specialized binaphthyl derivative, a high-value intermediate in advanced organic synthesis. This compound matters for its role as a key chiral building block and ligand precursor, enabling the production of sophisticated materials and pharmaceuticals. It is needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel compounds with specific stereochemical properties.

Application

• Pharmaceutical Intermediate: Serves as a crucial chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs requiring specific atropisomeric configurations.
• Catalyst Ligand Synthesis: Used to develop novel chiral ligands for asymmetric catalysis, enhancing the efficiency and selectivity of chemical transformations.
• Advanced Material Research: Acts as a monomer or building block for creating chiral polymers, liquid crystals, and organic electronic materials with unique optical properties.
• Agrochemical Development: Employed in the research and synthesis of new-generation, stereochemically-defined crop protection agents.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry and the development of new synthetic pathways.

Basic Information

Product Name	4,4'-Dibromo-2,2'-Dimethyl-1,1'-Binaphthalene
CAS No.	797035-61-1
Molecular Formula	C22H16Br2
Molecular Weight	440.17 g/mol
Synonyms	4,4'-Dibromo-2,2'-dimethyl-1,1'-binaphthyl; 2,2'-Dimethyl-4,4'-dibromo-1,1'-binaphthalene; 1,1'-Binaphthalene, 4,4'-dibromo-2,2'-dimethyl-; BINAP Derivative; Dibromodimethylbinaphthalene; Atropisomeric Binaphthyl Bromide; Chiral Binaphthyl Intermediate
EINECS	Contact for details

Quality Control

Our 4,4'-Dibromo-2,2'-Dimethyl-1,1'-Binaphthalene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive synthetic applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can provide material tailored to specific research or cGMP guidelines upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, handling and storage 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.