Description

4,5-Methylenedithio-1,3-Dithiol-2-One is a specialized heterocyclic organic compound featuring a unique dithiolethione core structure. This compound matters as a versatile and high-value chemical intermediate and building block in advanced synthesis. It is primarily needed by the pharmaceutical and agrochemical industries for the development of novel active ingredients, as well as by researchers in materials science exploring conductive polymers and organic electronics.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Serves as a building block for developing new-generation pesticides and herbicides with specific modes of action.
• Organic Conductive Materials: Used in the research and development of organic semiconductors, conductive polymers, and electroactive materials.
• Ligand and Catalyst Development: Acts as a precursor for creating complex ligands used in coordination chemistry and catalysis.
• Chemical Research & Development: A valuable reagent for exploring new organic reactions and synthesizing complex sulfur-containing heterocycles.
• Electronic Chemicals: Investigated for use in the fabrication of organic light-emitting diodes (OLEDs) and thin-film transistors.

Basic Information

Product Name	4,5-Methylenedithio-1,3-Dithiol-2-One
CAS No.	85720-62-3
Molecular Formula	C4H2OS4
Molecular Weight	210.32 g/mol
Synonyms	1,3-Dithiole-2-one, 4,5-methylenedithio-; 4,5-(Methylenedithio)-1,3-dithiole-2-one; MDDT; 2H-1,3-Dithiolo[4,5-d][1,3]dithiole-2-one; Tetrathiafulvalene (TTF) precursor; Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) related intermediate; 4,5-Methylenedithio-1,3-dithiole-2-thione analog
EINECS	Contact for details

Quality Control

Our 4,5-Methylenedithio-1,3-Dithiol-2-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to cGMP guidelines where applicable. Every lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, available upon request to support your quality assurance and regulatory needs.

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). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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