Description

2,2'-Dimethyl-1,1'-Binaphthalene is a high-purity, axially chiral binaphthyl derivative that serves as a critical building block in advanced organic synthesis. Its unique sterically hindered structure makes it an invaluable precursor for chiral ligands, catalysts, and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where precise stereochemical control is paramount for developing novel active ingredients and high-performance materials.

Application

• Chiral Ligand & Catalyst Synthesis: A key precursor for synthesizing BINOL derivatives and other privileged chiral ligands used in asymmetric catalysis.
• Pharmaceutical Intermediates: Employed in the research and development of chiral active pharmaceutical ingredients (APIs) requiring high enantiomeric purity.
• Agrochemical Development: Used to create chiral compounds for novel herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a building block for chiral organic semiconductors, liquid crystals, and advanced polymeric materials.
• Academic & Industrial Research: A fundamental reagent for methodological studies in organic chemistry and asymmetric synthesis.
• Fine Chemical Production: Integral to the manufacture of high-value, complex organic molecules for various specialty applications.

Basic Information

Product Name	2,2'-Dimethyl-1,1'-Binaphthalene
CAS No.	32834-84-7
Molecular Formula	C₂₂H₁₈
Molecular Weight	282.38 g/mol
Synonyms	2,2'-Dimethyl-1,1'-binaphthyl; 1,1'-Binaphthalene, 2,2'-dimethyl-; 2,2'-Dimethylbinaphthyl; BINAP Derivative; DMBN; NSC 163080; 2,2'-Dimethyl-[1,1'-binaphthalene]; Axially Chiral Binaphthyl
EINECS	Contact for details

Quality Control

Our 2,2'-Dimethyl-1,1'-Binaphthalene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis, to ensure it meets the stringent requirements for research and production. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformity to agreed specifications.

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.

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.