Description

1,3-Benzenedimethanethiol CAS NO 41563-69-3 is a versatile aromatic dithiol compound characterized by two thiol (-SH) functional groups on a meta-substituted benzene ring. This structure makes it a valuable building block and ligand in advanced organic synthesis and materials science. It is primarily utilized by researchers and manufacturers in the pharmaceutical, polymer, and specialty chemical industries for applications requiring precise molecular assembly and metal coordination.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in synthesizing complex molecules, including potential drug candidates and active pharmaceutical ingredients (APIs).
• Polymer & Resin Modification: Acts as a cross-linking agent, chain transfer agent, or monomer for producing high-performance polymers, epoxy resins, and thiol-ene networks with enhanced properties.
• Ligand in Catalysis & Coordination Chemistry: Used to create chelating ligands for metal complexes in homogeneous catalysis and materials synthesis.
• Surface Functionalization: Employed to modify material surfaces (e.g., gold nanoparticles, polymers) via thiol-gold or other thiol-based chemistries for sensors and advanced coatings.
• Chemical Synthesis: A versatile reagent for constructing heterocycles, dendrimers, and other complex organic architectures.
• Analytical Chemistry: Can be used as a derivatization agent or standard in chromatographic analysis.

Basic Information

Item	Detail
Product Name	1,3-Benzenedimethanethiol
CAS No.	41563-69-3
Molecular Formula	C8H10S2
Molecular Weight	170.30 g/mol
Synonyms	1,3-Phenylenedimethanethiol; m-Xylylenedithiol; α,α'-Dimercapto-m-xylene; 1,3-Bis(mercaptomethyl)benzene; m-Xylylene dithiol; Benzene-1,3-dimethanethiol; m-Xylyl dithiol; 41563-69-3
EINECS	Contact for details

Quality Control

Our 1,3-Benzenedimethanethiol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation and light, minimize exposure to air and direct light during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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