Ethyl methylsulfonylacetate
Ethyl methylsulfonylacetate (CAS: 4455-15-6) is an organic compound with the linear formula CH3SO2CH2COOC2H5 and a molecular weight of 166.20 g/mol. This ester functions as a valuable building block in organic synthesis. It is utilised in the preparation of various chemical intermediates and complex molecules, offering a versatile platform for introducing the methylsulfonylacetate moiety into target structures. Its properties make it suitable for research and development applications in chemistry.

Organic Synthesis Intermediate
Ethyl methylsulfonylacetate serves as a key intermediate in the synthesis of more complex organic molecules. Its reactive functional groups allow for diverse chemical transformations, making it useful in pharmaceutical and agrochemical research.
Building Block for Heterocycles
This compound can be employed as a precursor for the synthesis of various heterocyclic compounds. The presence of both ester and sulfonyl groups provides multiple reaction pathways for ring formation.
Research and Development
Utilised in laboratory settings for exploring novel synthetic routes and developing new chemical entities. Its defined structure and reactivity profile are beneficial for academic and industrial research.
| Molecular weight | 166.20 |
|---|---|
| Linear formula | CH3SO2CH2COOC2H5 |
| Assay | 97% |
| Boiling point | 111-113 °C/0.2 mmHg(lit.) |
| Density | 1.234 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.456(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 109 °C / 228.2 °F |
| 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 Ethyl methylsulfonylacetate used for?
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Ethyl methylsulfonylacetate is primarily used as a building block and intermediate in organic synthesis for the preparation of complex molecules, including heterocyclic compounds, in research and development settings.
What is the CAS number and formula for Ethyl methylsulfonylacetate?
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The CAS number is 4455-15-6, and the linear formula is CH3SO2CH2COOC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl methylsulfonylacetate with an assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling considerations for Ethyl methylsulfonylacetate?
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Ethyl methylsulfonylacetate is combustible and has a high flash point (109 °C / 228.2 °F). It is classified under WGK Germany 3. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (half-mask respirator or multi-purpose combination cartridge), should be used.
How is Ethyl methylsulfonylacetate typically packed, shipped, and exported?
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Ethyl methylsulfonylacetate is carefully packed according to industry standards to ensure safe transit and is exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a quote or sample of Ethyl methylsulfonylacetate?
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To request a quote or a sample of Ethyl methylsulfonylacetate, please contact the Tech Serve Solutions sales team through our website or direct contact details.
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