Description

1,2-Benzenedimethanethiol CAS NO 2388-68-3 is a versatile aromatic dithiol compound, valued for its dual thiol (-SH) functional groups which make it a highly effective building block and ligand in advanced chemical synthesis. Its primary commercial importance lies in its role as a key intermediate for the production of high-performance polymers, metal chelating agents, and specialty additives. This product is essential for R&D and manufacturing sectors including polymer chemistry, pharmaceuticals, and materials science, where precise molecular control is required.

Application

• Polymer Synthesis: Serves as a critical monomer or chain-transfer agent in the production of specialty polymers, including polyurethanes and epoxy resins, where it imparts enhanced flexibility, adhesion, or cross-linking properties.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules, particularly those requiring thiol-based functional groups for activity or as a protective group in multi-step organic syntheses.
• Metal Chelation & Catalysis: Acts as an effective ligand for various metals, finding use in catalysis, metal recovery processes, and the stabilization of metal nanoparticles.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic reactions, synthesizing novel heterocyclic compounds, and developing new materials.
• Adhesive & Coating Formulations: Incorporated into formulations to improve the curing characteristics, durability, and chemical resistance of advanced adhesives and protective coatings.
• Analytical Chemistry: Employed as a derivatization agent or standard in chromatographic analysis and other analytical techniques for detecting or quantifying specific compounds.

Basic Information

Product Name	1,2-Benzenedimethanethiol
CAS No.	2388-68-3
Molecular Formula	C8H10S2
Molecular Weight	170.29 g/mol
Synonyms	1,2-Bis(mercaptomethyl)benzene; o-Xylylenedithiol; 1,2-Bis(methylthio)benzene (Note: this is the thioether, a related compound); Benzene-1,2-dimethanethiol; o-Xylylene-α,α'-dithiol; α,α'-Dimercapto-o-xylene; 1,2-Di(mercaptomethyl)benzene
EINECS	219-208-6

Quality Control

Our 1,2-Benzenedimethanethiol is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, identity, and impurity profiles to guarantee consistency and reliability.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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