Description

1,4-Benzenedithiol CAS NO 624-39-5 is a high-purity aromatic dithiol compound, serving as a critical building block and ligand in advanced chemical synthesis. Its value lies in its dual thiol functionality, which enables it to act as a versatile cross-linking agent and a precursor for complex organic frameworks and metal-organic materials. This product is essential for researchers and manufacturers in the pharmaceutical, polymer, and materials science industries who require a reliable source of a pure and reactive dithiol monomer.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex molecules, particularly those requiring thiol-based conjugation or as a precursor for heterocyclic compounds.
• Polymer & Resin Cross-Linker: Acts as a key monomer in the production of high-performance polymers, epoxy resins, and polyurethanes, imparting enhanced thermal and mechanical properties.
• Ligand in Coordination Chemistry: Serves as a chelating agent for transition metals, facilitating the creation of catalysts and metal-organic frameworks (MOFs) for catalysis and gas storage.
• Organic Semiconductor Precursor: Utilized in the development of conductive polymers and organic electronic materials due to its electron-donating capabilities.
• Analytical Reagent: Employed in research laboratories as a derivatization agent or a standard for analytical methods.
• Rubber & Elastomer Additive: Functions as a vulcanizing agent or antioxidant precursor to improve the durability of synthetic rubbers.

Basic Information

Product Name	1,4-Benzenedithiol
CAS No.	624-39-5
Molecular Formula	C6H6S2
Molecular Weight	142.24 g/mol
Synonyms	p-Benzenedithiol; 1,4-Dimercaptobenzene; p-Dimercaptobenzene; Benzene-1,4-dithiol; 4-Mercaptobenzenethiol; p-Xylene-α,α'-dithiol; Thiohydroquinone; NSC 403697
EINECS	210-843-6

Quality Control

Our 1,4-Benzenedithiol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This material is easily oxidized and light-sensitive; prolonged exposure to air or light must be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 99 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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