Description

(+/-)-1.1'-Binaphthalene-2,2'-Dithiol CAS NO 102555-71-5 is a specialized chiral dithiol ligand and building block of significant interest in advanced organic synthesis and materials science. Its core value lies in its ability to coordinate with various metal centers, making it a crucial precursor for constructing complex molecular architectures and asymmetric catalysts. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity chiral auxiliaries for developing novel active ingredients and functional materials.

Application

• Asymmetric Catalysis: Serves as a key chiral ligand for transition metal catalysts used in enantioselective synthesis of pharmaceuticals and fine chemicals.
• Material Science: Acts as a building block for the synthesis of chiral polymers, conductive materials, and metal-organic frameworks (MOFs).
• Pharmaceutical Intermediates: Used in the research and development of chiral drug candidates, particularly in constructing complex sulfur-containing molecular scaffolds.
• Analytical Chemistry: Employed as a chiral selector or derivatization agent in chromatographic methods for enantiomer separation.
• Coordination Chemistry: Functions as a chelating agent for the study of metal-thiolate complexes and their photophysical or redox properties.
• Agrochemical Research: Utilized in the synthesis of novel, chiral active ingredients for crop protection agents.

Basic Information

Product Name	(+/-)-1.1'-Binaphthalene-2,2'-Dithiol
CAS No.	102555-71-5
Molecular Formula	C₂₀H₁₄S₂
Molecular Weight	318.45 g/mol
Synonyms	1,1'-Binaphthalene-2,2'-dithiol; 2,2'-Dimercapto-1,1'-binaphthyl; rac-BINAS-H2; BINOL-Dithiol; DL-1,1'-Bi-2-naphthol dithiol; (±)-BINAS; 2,2'-Dithiol-1,1'-binaphthyl; BINAS
EINECS	Contact for details

Quality Control

Our (+/-)-1.1'-Binaphthalene-2,2'-Dithiol is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis, to ensure it meets the exacting standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, identity, and related substances is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Due to its sensitivity to oxidation, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended. Store at room temperature (15-25°C) in a cool, dry, and well-ventilated place. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	Racemic mixture ((+/-)-form)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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