tert-Butyl methyl sulfide
Tert-Butyl methyl sulfide (CAS 6163-64-0) is an organosulfur compound with the linear formula (CH3)3CSCH3 and a molecular weight of 104.21 g/mol. It is a flammable liquid that serves as a versatile building block in chemical synthesis. Its properties make it useful in organic chemistry research and development, particularly for introducing sulfur-containing moieties into molecules. Tech Serve Solutions supplies this compound for laboratory and industrial applications.

Organic Synthesis Intermediate
Tert-Butyl methyl sulfide acts as a valuable reagent in organic synthesis. It can be employed in reactions requiring a tert-butylthio group or as a source of methyl sulfide in various transformations.
Building Block for Specialty Chemicals
This compound serves as a foundational building block for the synthesis of more complex organic molecules, including potential pharmaceutical intermediates and materials science components.
Research and Development
Utilised in academic and industrial R&D settings for exploring novel synthetic pathways and developing new chemical entities. Its specific reactivity profile is of interest in medicinal chemistry.
| Molecular weight | 104.21 |
|---|---|
| Linear formula | (CH3)3CSCH3 |
| Assay | 97% |
| Boiling point | 101-102 °C(lit.) |
| Density | 0.826 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.44(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -4 °C / 24.8 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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 Tert-Butyl methyl sulfide used for?
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Tert-Butyl methyl sulfide is primarily used as a building block in organic synthesis and for research and development purposes in the chemical and pharmaceutical industries.
What are the CAS number and chemical formula for Tert-Butyl methyl sulfide?
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The CAS number is 6163-64-0, and the linear chemical formula is (CH3)3CSCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tert-Butyl methyl sulfide with an assay of 97%. This is a technical/research grade product, and TSS does not represent it as USP, BP, or EP grade.
How should Tert-Butyl methyl sulfide be handled safely?
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Tert-Butyl methyl sulfide is a highly flammable liquid and vapour, causing skin and serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including safety glasses, gloves, and a respirator, in a well-ventilated area, away from ignition sources.
How is Tert-Butyl methyl sulfide packed and shipped?
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Tert-Butyl methyl sulfide is shipped as a UN 1993, Flammable Liquid, n.o.s. (Tert-Butyl methyl sulfide), Class 3, Packing Group II. Packaging adheres to international shipping regulations for hazardous materials.
How can I request a quote or sample of Tert-Butyl methyl sulfide?
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Please contact the Tech Serve Solutions sales team via our website or by phone to request a quote or sample of Tert-Butyl methyl sulfide.
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