Description

1,2'-Binaphthalene CAS NO 4325-74-0 is a high-purity, polycyclic aromatic hydrocarbon compound characterized by its unique binaphthyl structure, which serves as a versatile chiral scaffold and intermediate in advanced organic synthesis. This compound is critical for the development of specialized ligands, functional materials, and complex molecular architectures due to its inherent axial chirality and rigid framework. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for applications in asymmetric catalysis and optoelectronic material development.

Application

• Synthesis of chiral ligands for asymmetric catalysis in pharmaceutical intermediate production.
• Building block for advanced organic electronic materials, such as OLEDs and semiconductors.
• Key intermediate in the research and development of novel agrochemicals and fine chemicals.
• Precursor for constructing supramolecular structures and complex macrocycles.
• Use in academic and industrial research for studying atropisomerism and chiral recognition phenomena.
• Component in the development of fluorescent probes and sensors due to its aromatic backbone.

Basic Information

Item	Detail
Product Name	1,2'-Binaphthalene
CAS No.	4325-74-0
Molecular Formula	C₂₀H₁₄
Molecular Weight	254.33 g/mol
Synonyms	1,2'-Dinaphthyl; 1-(2-Naphthyl)naphthalene; 1,2'-Binaphthyl; 1,2'-Dinaphthalene; 2-(1-Naphthyl)naphthalene; alpha,β-Dinaphthyl; [1,1'-Binaphthalene]-2,2'-diyl (related isomer); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 1,2'-Binaphthalene is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to confirm identity and purity. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request to support your quality assurance and regulatory compliance needs.

Storage

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

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.