4,5-Bis(methylthio)-1,3-dithiol-2-one
4,5-Bis(methylthio)-1,3-dithiol-2-one (CAS: 61485-46-9) is a sulfur-containing heterocyclic organic compound with a molecular weight of 210.36 g/mol. It serves as a valuable building block in chemical synthesis, particularly for researchers working with novel sulfur-based compounds and heterocyclic structures. Supplied at 97% purity, this chemical is intended for laboratory and research applications.
- Synonyms
- 61485-46-9C5H6OS4

Organic Synthesis Intermediate
Utilised as a versatile intermediate in the synthesis of complex organic molecules. Its unique structure with multiple sulfur atoms makes it suitable for creating novel heterocyclic compounds.
Research and Development
A key reagent for R&D activities in medicinal chemistry and materials science. It allows for the exploration of new chemical entities and functional materials.
Heterocyclic Chemistry
Employed in the construction of diverse heterocyclic ring systems. The presence of the 1,3-dithiol-2-one core offers specific reactivity for targeted transformations.
| Molecular weight | 210.36 |
|---|---|
| Empirical formula | C5H6OS4 |
| Assay | 97% |
| Melting point | 56-60 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4,5-Bis(methylthio)-1,3-dithiol-2-one used for?
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4,5-Bis(methylthio)-1,3-dithiol-2-one is used as a building block in organic synthesis and in research and development for creating novel sulfur-containing heterocyclic compounds.
What is the CAS number and formula for this compound?
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The CAS number is 61485-46-9 and the empirical formula is C5H6OS4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,5-Bis(methylthio)-1,3-dithiol-2-one at an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling recommendations?
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When handling 4,5-Bis(methylthio)-1,3-dithiol-2-one, it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound has a WGK Germany rating of 3, indicating a high degree of hazard.
How is this chemical packed and shipped?
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This chemical is carefully packed according to international shipping regulations for hazardous materials and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of 4,5-Bis(methylthio)-1,3-dithiol-2-one, please contact our sales team via the website or email.
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