(methyldisulfanyl)methane
C2H6S2
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Identification
- CAS Number
- 624-92-0
- EC Number
- 210-871-0
- UN Number
- 2381
- Index Number
- 016-098-00-3
- PubChem CID
- 12232
Physical-chemical properties
- Molecular Formula
- C2H6S2
- Molar Mass
- 94.20 g/mol
- IUPAC Name
- (methyldisulfanyl)methane
Chemical Identifiers
- InChI
- InChI=1S/C2H6S2/c1-3-4-2/h1-2H3
- InChI Key
- WQOXQRCZOLPYPM-UHFFFAOYSA-N
Overview
(Methyldisulfanyl)methane (CAS 624-92-0) is an organosulfur compound with two sulfur atoms forming a disulfide bridge between methyl groups. This volatile organic sulfur compound, also known by its molecular formula C2H6S2, represents a simple disulfide structure that plays important roles in various industrial applications. With a molecular weight of 94.2 g/mol, (methyldisulfanyl)methane exhibits characteristic properties typical of low molecular weight disulfides, including a distinctive sulfurous odor and relatively high volatility. The compound presents significant safety considerations due to its hazardous classification profile. It is classified as a flammable liquid (Category 2) and poses acute toxicity risks (Category 3), requiring careful handling protocols in industrial settings. The substance also demonstrates potential for serious organ damage, eye irritation, and skin sensitization, as indicated by its "Danger" signal word and associated GHS pictograms including flame, skull and crossbones, health hazard, and environmental symbols. From a chemical perspective, (methyldisulfanyl)methane belongs to the broader family of organosulfur compounds, sharing certain reactivity patterns with other sulfur-containing molecules. While structurally different from compounds like prop-2-enenitrile, both require specialized handling due to their toxicity profiles and industrial significance. Primary industrial applications include use as a chemical intermediate in organic synthesis, particularly in the production of other sulfur-containing compounds, and as a reagent in specialized chemical processes. The compound also finds application in research and development activities where disulfide chemistry is relevant. OYSI maintains reliable supply chains for (methyldisulfanyl)methane, ensuring consistent availability for European industrial customers requiring this specialized organosulfur compound.
Safety & Classification
Flam. Liq. 2; Acute Tox. 3; Acute Tox. 3; STOT SE 3; STOT SE 1; Eye Irrit. 2; Skin Sens. 1; Aquat...
GHS Pictograms
Flame
GHS02
Flammable. May ignite on contact with air, water, or heat sources.
Skull and Crossbones
GHS06
Acute toxicity. Fatal if swallowed, in contact with skin, or if inhaled.
Health Hazard
GHS08
Serious health hazard. May cause cancer, organ damage, or genetic defects.
Environment
GHS09
Environmental hazard. Toxic to aquatic life with long lasting effects.
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Highly flammable liquid and vapour.
Toxic if inhaled.
Toxic if swallowed.
May cause drowsiness or dizziness.
Causes damage to organs.
Causes serious eye irritation.
May cause an allergic skin reaction.
Very toxic to aquatic life.
Very toxic to aquatic life with long lasting effects.
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Inhalation
Measures if vapours or dust are inhaled
Skin Contact
Measures if substance contacts the skin
First Aid Actions
- +P302IF ON SKIN:
- +P352Wash with plenty of water.
- +P361Take off immediately all contaminated clothing.
- +P313Get medical advice/attention.
Related hazard statements:
Eye Contact
Measures if substance gets into the eyes
First Aid Actions
- +P305IF IN EYES:
- +P351Rinse cautiously with water for several minutes.
- +P338Remove contact lenses, if present and easy to do. Continue rinsing.
- +P313Get medical advice/attention.
Related hazard statements:
Ingestion
Measures if substance is accidentally swallowed
First Aid Actions
- +P301IF SWALLOWED:
- +P330Rinse mouth.
- +P331Do NOT induce vomiting.
- +P310Immediately call a POISON CENTER/doctor.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 2381 |
| ADR Class | 3 |
| Packing Group | II |
| Tunnel Code | D/E |
| Proper Shipping Name | Dimethyldisulfid |
| Marine Pollutant | No |
Frequently Asked Questions
What is (methyldisulfanyl)methane?
(Methyldisulfanyl)methane is an organosulfur compound with the molecular formula C2H6S2 and CAS number 624-92-0. This chemical substance has a molecular weight of 94.2 g/mol and contains two sulfur atoms connected by a disulfide bond with methyl groups attached. It is classified as a hazardous substance with multiple danger classifications including flammable liquid, acute toxicity, and specific target organ toxicity. The compound requires careful handling due to its various health and safety risks.
What are the physicochemical properties of (methyldisulfanyl)methane?
(Methyldisulfanyl)methane is a flammable liquid at room temperature, classified as Flam. Liq. 2 under GHS regulations. As an organosulfur compound, it typically exhibits a characteristic sulfurous odor. The substance has a molecular weight of 94.2 g/mol and contains disulfide functionality that influences its chemical behavior. Its flammable nature and liquid state at ambient conditions require appropriate storage and handling precautions to prevent ignition and exposure risks.
What is (methyldisulfanyl)methane used for?
(Methyldisulfanyl)methane is primarily used as a chemical intermediate in organic synthesis and industrial applications. Its disulfide functionality makes it valuable in the production of sulfur-containing compounds and as a building block for more complex molecules. The compound may be utilized in pharmaceutical research, specialty chemical manufacturing, and as a reagent in laboratory settings. Its specific applications depend on its unique sulfur chemistry and reactivity patterns in various chemical processes.
How to handle (methyldisulfanyl)methane safely?
(Methyldisulfanyl)methane requires strict safety protocols due to its multiple hazard classifications including acute toxicity and target organ toxicity. Personnel must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid contact with skin and eyes, eliminate ignition sources due to its flammable nature, and ensure emergency procedures are readily available.
How to store (methyldisulfanyl)methane correctly?
(Methyldisulfanyl)methane must be stored in a cool, dry, well-ventilated area away from heat sources and ignition sources due to its Flam. Liq. 2 classification. Use appropriate chemical-resistant containers and ensure proper labeling with GHS pictograms (GHS02, GHS06, GHS08, GHS09). Store separately from incompatible materials and oxidizing agents. Implement proper inventory management and restrict access to authorized personnel only. Regular inspection of storage containers is essential to prevent leaks and contamination.
What to do in case of contact with (methyldisulfanyl)methane?
Immediate action is required in case of contact with (methyldisulfanyl)methane due to its acute toxicity and irritant properties. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water and seek medical attention due to its Eye Irrit. 2 classification. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical assistance. Always consult the safety data sheet for specific emergency procedures.
How to dispose of (methyldisulfanyl)methane appropriately?
(Methyldisulfanyl)methane must be disposed of as hazardous waste according to local and European regulations due to its multiple hazard classifications and environmental concerns. The substance cannot be discharged into sewers or the environment given its aquatic toxicity indicators. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Ensure proper documentation and waste tracking as required by regulations. Small quantities may require special collection procedures through authorized waste management facilities.
How to transport (methyldisulfanyl)methane?
(Methyldisulfanyl)methane is classified as ADR Class 3 (flammable liquids), Packing Group II, requiring specific transport regulations compliance. Shipments must use UN-approved packaging suitable for flammable liquids and display appropriate hazard labels and placards. Transport vehicles must meet ADR requirements for Class 3 substances including proper ventilation and safety equipment. Documentation must include proper shipping names, hazard classifications, and emergency response information. Only certified carriers experienced in hazardous materials transport should handle shipments.
Is (methyldisulfanyl)methane subject to specific regulations?
(Methyldisulfanyl)methane is subject to comprehensive European chemical regulations including REACH registration requirements and CLP classification obligations. The substance displays multiple GHS pictograms (GHS02, GHS06, GHS08, GHS09) and carries a 'Danger' signal word, requiring proper safety data sheets and labeling. While not currently listed as SVHC, its acute toxicity and environmental classifications may trigger additional regulatory scrutiny. Users must comply with occupational exposure limits and workplace safety regulations across EU member states.
Where to buy (methyldisulfanyl)methane in Europe?
(Methyldisulfanyl)methane is available through OYSI, a specialized European distributor of technical chemicals and laboratory reagents. OYSI provides this substance with full regulatory compliance including proper CLP labeling, safety data sheets, and ADR-compliant packaging for safe transport. As a professional chemical distributor, OYSI ensures product quality and regulatory documentation required for industrial and research applications. Contact OYSI directly for availability, specifications, and delivery options across European markets.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.