Description

3,3'-Dimethyl-1,1'-Binaphthalene is a high-purity, specialized binaphthyl derivative with a rigid, sterically hindered structure. This compound is a valuable chiral building block and ligand precursor in advanced organic synthesis and materials science. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel catalysts and functional materials.

Application

• Asymmetric Synthesis: Serves as a key chiral scaffold for the synthesis of axially chiral ligands used in enantioselective catalysis.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Material Science: Acts as a precursor for organic semiconductors, liquid crystals, and polymers with unique optical or electronic properties.
• Agrochemical Research: Used in creating novel, stereochemically defined compounds for crop protection agents.
• Catalyst Development: A fundamental starting material for preparing BINOL and BINAP analog ligands in homogeneous catalysis.
• Academic & Industrial R&D: Essential for methodological studies in organic chemistry and process development.

Basic Information

Product Name	3,3'-Dimethyl-1,1'-Binaphthalene
CAS No.	34042-82-5
Molecular Formula	C₂₂H₁₈
Molecular Weight	282.38 g/mol
Synonyms	3,3'-Dimethyl-[1,1'-binaphthalene]; 3,3'-Dimethyl-1,1'-binaphthyl; 1,1'-Binaphthalene, 3,3'-dimethyl-; 3,3'-Dimethylbinaphthalene; BINOL-Dimethyl Derivative; 3,3'-Dimethyl-1,1'-binaphthyl (alternate spelling); DMBN
EINECS	Contact for details

Quality Control

Our 3,3'-Dimethyl-1,1'-Binaphthalene is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.