Description

1,1-Binaphthalene-2,2-Dithiol, (1S)- CAS NO 124414-36-4 is a chiral, sulfur-containing organic compound derived from binaphthyl, serving as a versatile building block and ligand in advanced chemical synthesis. Its unique three-dimensional structure and dithiol functionality make it a critical precursor for constructing complex molecular architectures and asymmetric catalysts. This high-purity chiral intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors, where precise stereochemistry dictates product performance.

Application

• As a chiral ligand or precursor for asymmetric catalysis in pharmaceutical synthesis.
• Building block for the development of novel metal-organic frameworks (MOFs) and coordination polymers.
• Intermediate in the research and production of advanced electronic materials and organic semiconductors.
• Key starting material for synthesizing chiral auxiliaries and resolving agents.
• Utilized in the preparation of specialty polymers and materials with specific optical properties.
• Research chemical for studying sulfur chemistry and chiral recognition processes.

Basic Information

Item	Details
Product Name	1,1-Binaphthalene-2,2-Dithiol, (1S)-
CAS No.	124414-36-4
Molecular Formula	C₂₀H₁₄S₂
Molecular Weight	318.45 g/mol
Synonyms	(S)-1,1'-Binaphthalene-2,2'-dithiol; (S)-2,2'-Dithio-1,1'-binaphthalene; (S)-BINOL-Dithiol; (1S)-1,1'-Binaphthyl-2,2'-dithiol; (S)-BINAP-Dithiol; (S)-2,2'-Dimercapto-1,1'-binaphthyl; (S)-BINOL-2,2'-dithiol; (S)-1,1'-Bi-2-naphthol dithiol derivative
EINECS	Contact for details

Quality Control

Our 1,1-Binaphthalene-2,2-Dithiol, (1S)- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the exacting standards required for research and industrial applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and other critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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