Methyl p-tolyl sulfoxide
Methyl p-tolyl sulfoxide (CAS: 934-72-5), with the molecular formula CH3C6H4S(O)CH3 and a molecular weight of 154.23 g/mol, is a chemical compound utilised in organic synthesis. Its structure features a sulfoxide group bridging a methyl group and a p-tolyl group. This compound serves as a valuable building block in the synthesis of more complex organic molecules, particularly within the fields of chemical research and development.

Organic Synthesis Intermediate
Methyl p-tolyl sulfoxide acts as a versatile intermediate in various organic transformations. Its reactive sulfoxide moiety can participate in reactions leading to the formation of new carbon-carbon or carbon-heteroatom bonds.
Building Block for Complex Molecules
This compound is employed as a key building block in the construction of intricate molecular architectures. Its specific structure allows for targeted modifications and incorporation into larger synthetic targets.
Research and Development Reagent
Utilised in academic and industrial research settings, Methyl p-tolyl sulfoxide aids in exploring novel synthetic pathways and developing new chemical entities.
| Molecular weight | 154.23 |
|---|---|
| Linear formula | CH3C6H4S(O)CH3 |
| Assay | 97% |
| Boiling point | 113-114 °C/2 mmHg(lit.) |
| Melting point | 44-46 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °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 Methyl p-tolyl sulfoxide used for?
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Methyl p-tolyl sulfoxide is primarily used as a building block and intermediate in organic synthesis for chemical research and development.
What are the CAS number and formula for Methyl p-tolyl sulfoxide?
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The CAS number is 934-72-5, and the molecular formula is CH3C6H4S(O)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl p-tolyl sulfoxide with an assay of 97%. This is a technical/research grade product, and TSS does not represent it as USP, BP, or EP.
What are the safety and handling precautions for Methyl p-tolyl sulfoxide?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for detailed handling information. It has a flash point greater than 113 °C.
How is Methyl p-tolyl sulfoxide packaged and shipped?
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Tech Serve Solutions, as a global supplier and exporter, ensures that Methyl p-tolyl sulfoxide is packaged and shipped according to all relevant regulations.
How can I request a sample or quote for Methyl p-tolyl sulfoxide?
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Please contact our sales department via the website or by phone to request a sample or a quotation for Methyl p-tolyl sulfoxide.
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