Dimethyl disulfide
Dimethyl disulfide (DMDS), CAS 624-92-0, with the linear formula CH₃SSCH₃ and a molecular weight of 94.20 g/mol, is a volatile organosulfur compound. Known for its characteristic pungent odour, it occurs naturally in some foodstuffs. DMDS serves as a vital building block in organic synthesis and finds applications in chemical research and the study of cellular processes.
- IUPAC
- DMDS,Methyl disulfide
- Synonyms
- DMDSMethyl disulfide
Organic Synthesis
Dimethyl disulfide is employed as a reagent and building block in various organic synthesis pathways. It is particularly useful for introducing methylthio groups into molecules.
Chemical Research
This compound is utilised in academic and industrial research settings for studying reaction mechanisms and developing new synthetic methodologies. Its properties make it a valuable tool for sulfur chemistry.
Cell Biology Studies
DMDS has been used in studies related to cell biology, particularly in investigations concerning sulfur metabolism and the effects of organosulfur compounds on cellular functions.
Nutritional Research
As a compound found in foods like onions and garlic, Dimethyl disulfide is of interest in nutritional research, particularly concerning phytochemicals and their biological activities.
| Molecular weight | 94.20 |
|---|---|
| Linear formula | CH3SSCH3 |
| Assay | ≥99% |
| Boiling point | 109 °C(lit.) |
| Density | 1.046 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.525(lit.) |
| Vapour pressure | 22 mmHg (20 °C) |
| Melting point | −85 °C(lit.) |
| Vapour density | 3.24 (vs air) |
| Autoignition temp | >572 °F |
Hazard statements
- H225Highly flammable liquid and vapour
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 2381 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn,N |
| Risk statements (R) | 11-20/22-36/37-51/53 |
| Safety statements (S) | 26-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 16 % |
|---|
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 disulfide (DMDS) primarily used for?
+
Dimethyl disulfide is primarily used as a building block in organic synthesis, in chemical research, and for studies in cell biology and nutritional research, particularly relating to phytochemicals.
What is the CAS number and chemical formula for Dimethyl disulfide?
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The CAS number for Dimethyl disulfide is 624-92-0, and its linear chemical formula is CH₃SSCH₃.
What grade and purity does Tech Serve Solutions supply for Dimethyl disulfide?
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Tech Serve Solutions supplies Dimethyl disulfide with an assay of ≥99%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Dimethyl disulfide be handled safely?
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Dimethyl disulfide is a highly flammable liquid and vapour (H225) and is harmful if swallowed (H302), causes serious eye irritation (H319), is toxic if inhaled (H331), and may cause respiratory irritation (H335). It is also toxic to aquatic life with long-lasting effects (H411). Always handle in a well-ventilated area, wearing appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Keep away from heat and open flames.
Is Dimethyl disulfide a controlled substance?
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The provided data does not indicate that Dimethyl disulfide is a controlled substance.
How is Dimethyl disulfide packed, shipped, and exported?
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Dimethyl disulfide is shipped as UN 2381, Hazard Class 3, Packing Group II. As a global supplier, Tech Serve Solutions adheres to all relevant international shipping and export regulations.
How can I request a quote or sample for Dimethyl disulfide?
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Please contact our sales team through the website to request a quote or a sample of Dimethyl disulfide.
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