Dimethyl sulfide
Dimethyl sulfide (CAS 75-18-3), with the molecular formula (CH₃)₂S and a molecular weight of 62.13 g/mol, is a volatile organosulfur compound. It is known for its distinct, strong odour. This chemical serves as a crucial building block in organic synthesis and finds applications in various research and development settings, particularly in studies related to sulfur chemistry and natural product analysis.
- IUPAC
- DMS,Methyl sulfide
- Synonyms
- DMSMethyl sulfide
Organic Synthesis
Dimethyl sulfide is employed as a reagent and building block in various organic transformations. Its sulfur atom can participate in reactions to form new carbon-sulfur bonds, essential for constructing complex molecules.
Research and Development
It is utilised in laboratory settings for chemical research, particularly in studies involving sulfur compounds. Its properties make it useful for investigating reaction mechanisms and developing new synthetic methodologies.
Natural Product Analysis
As a compound found in natural sources like onions and garlic, dimethyl sulfide is relevant in the analysis and characterisation of phytochemicals. It aids in understanding the chemical composition of food and plant extracts.
| Molecular weight | 62.13 |
|---|---|
| Linear formula | (CH3)2S |
| Assay | ≥99% |
| Grade | puriss. |
| Boiling point | 38 °C(lit.) |
| Density | 0.846 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.435(lit.) |
| Melting point | −98 °C(lit.) |
| Vapour pressure | 26.24 psi (55 °C)7.79 psi (20 °C) |
| Vapour density | 2.1 (vs air) |
| Autoignition temp | 402 °F |
Hazard statements
- H225Highly flammable liquid and vapour
- H319Causes serious eye irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -36 °C / -32.8 °F |
| Transport (UN / ADR) | UN 1164 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-37/38-41 |
| Safety statements (S) | 7-9-16-26-29-33-36/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 19.7 % |
|---|
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 Dimethyl sulfide used for?
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Dimethyl sulfide is used as a building block in organic synthesis and in various research and development settings, particularly for studies involving sulfur chemistry and natural product analysis.
What is the CAS number and chemical formula for Dimethyl sulfide?
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The CAS number for Dimethyl sulfide is 75-18-3, and its linear chemical formula is (CH₃)₂S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethyl sulfide in 'puriss.' grade with an assay of ≥99%. This product is intended for laboratory and research use; TSS does not represent it as USP, BP, or EP grade.
How should Dimethyl sulfide be handled safely?
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Dimethyl sulfide is highly flammable (H225) and causes serious eye irritation (H319). Handle with appropriate personal protective equipment, including eyeshields, gloves, and ensure adequate ventilation. Store away from ignition sources.
How is Dimethyl sulfide packed, shipped, and exported?
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Dimethyl sulfide is packed according to UN 1164, Class 3, Packing Group II regulations. Tech Serve Solutions offers global export services for this chemical.
How can I request a sample or quote for Dimethyl sulfide?
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To request a sample or a quote for Dimethyl sulfide, please contact the Tech Serve Solutions sales team through our website or by phone.
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