O-methyl (methoxycarbothioyldisulfanyl)methanethioate
C4H6O2S4
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Identification
- CAS Number
- 1468-37-7
- EC Number
- 215-993-8
- UN Number
- 2588
- Index Number
- 016-024-00-X
- PubChem CID
- 15115
Physical-chemical properties
- Molecular Formula
- C4H6O2S4
- Molar Mass
- 214.40 g/mol
- IUPAC Name
- O-methyl (methoxycarbothioyldisulfanyl)methanethioate
Chemical Identifiers
- InChI
- InChI=1S/C4H6O2S4/c1-5-3(7)9-10-4(8)6-2/h1-2H3
- InChI Key
- FVCPXLWAKNJIKK-UHFFFAOYSA-N
Overview
O-methyl (methoxycarbothioyldisulfanyl)methanethioate (CAS 1468-37-7) is an organosulfur compound with disulfide linkages and thioester functional groups. This specialized chemical compound, identified by EC number 215-993-8, represents a complex organosulfur molecule with molecular formula C4H6O2S4 and molecular weight of 214.4 g/mol. The structure features multiple sulfur atoms arranged in disulfide bonds combined with methyl ester groups, creating a unique chemical architecture that imparts specific reactivity patterns. The presence of four sulfur atoms within the relatively small molecular framework makes this compound particularly interesting for applications requiring sulfur-containing functionalities. From a safety perspective, this substance requires careful handling protocols due to its classification as Acute Tox. 4 with aquatic toxicity concerns (Aquatic Acute 1, Aquatic Chronic 1). The GHS07 and GHS09 pictograms indicate both health hazards and environmental dangers, while the ADR class 6.1 designation confirms its status as a toxic substance requiring specialized transport conditions. The "Warning" signal word reflects moderate but significant hazard potential that demands appropriate personal protective equipment and containment measures during handling and storage. Industrial applications typically leverage the compound's unique disulfide chemistry and thioester reactivity. Common uses include specialized organic synthesis as a sulfur transfer reagent, particularly in pharmaceutical intermediate production where controlled sulfur incorporation is essential. Additionally, it serves in polymer modification processes and as a crosslinking agent in rubber and elastomer applications. Unlike simpler compounds such as dimethoxy-(3-methyl-4-nitrophenoxy)-sulfanylidene-lambda5-phosphane, this molecule offers multiple reactive sites for complex chemical transformations. OYSI maintains reliable supply chains for this technical grade chemical compound, supporting European industrial customers with consistent quality and regulatory compliance documentation.
Safety & Classification
Acute Tox. 4 *; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
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
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 | 2588 |
| ADR Class | 6.1 |
| Packing Group | III |
| Tunnel Code | E |
| Proper Shipping Name | Dimexano (ISO), fest |
| Marine Pollutant | No |
Frequently Asked Questions
What is O-methyl (methoxycarbothioyldisulfanyl)methanethioate?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate is an organosulfur chemical compound with the molecular formula C4H6O2S4 and CAS number 1468-37-7. This specialty chemical has a molecular weight of 214.4 g/mol and contains multiple sulfur atoms in its structure, making it part of the disulfide compound family. It is classified as moderately toxic and poses environmental hazards to aquatic life.
What are the physicochemical properties of O-methyl (methoxycarbothioyldisulfanyl)methanethioate?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate is a sulfur-containing organic compound with a molecular weight of 214.4 g/mol and formula C4H6O2S4. As an organosulfur compound, it typically exhibits characteristic properties associated with disulfide structures. The presence of multiple sulfur atoms and ester groups influences its chemical reactivity and stability. Specific physical properties such as melting point, boiling point, and solubility depend on storage conditions and purity grade.
What is O-methyl (methoxycarbothioyldisulfanyl)methanethioate used for?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate is primarily used as a chemical intermediate in organic synthesis and specialty chemical manufacturing. Its disulfide structure makes it valuable in applications requiring sulfur-containing building blocks. The compound may be utilized in pharmaceutical research, agrochemical development, or as a reagent in specialized chemical processes. Its specific applications depend on the requirements of chemical manufacturers and research institutions.
How to handle O-methyl (methoxycarbothioyldisulfanyl)methanethioate safely?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate requires careful handling due to its Acute Tox. 4 classification and environmental hazards. Essential safety measures include wearing appropriate personal protective equipment such as chemical-resistant gloves, safety goggles, and protective clothing. Work in well-ventilated areas or under fume hoods to avoid inhalation. Prevent skin and eye contact, and avoid release to the environment due to its aquatic toxicity classification.
How to store O-methyl (methoxycarbothioyldisulfanyl)methanethioate correctly?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from incompatible materials. As an organosulfur compound, keep it away from strong oxidizing agents, acids, and bases that could cause decomposition. Store at controlled room temperature and protect from light and moisture. Ensure proper labeling with hazard information and maintain inventory records for regulatory compliance.
What to do in case of contact with O-methyl (methoxycarbothioyldisulfanyl)methanethioate?
Immediate first aid measures for O-methyl (methoxycarbothioyldisulfanyl)methanethioate exposure include removing contaminated clothing and rinsing affected skin with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets and contact poison control if exposure occurs.
How to dispose of O-methyl (methoxycarbothioyldisulfanyl)methanethioate properly?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate disposal must comply with local and national hazardous waste regulations due to its toxicity and environmental hazard classification. The compound should be collected as hazardous chemical waste and disposed of through licensed waste management companies. Never discharge to sewers or environment due to its aquatic toxicity. Contaminated containers and materials require proper disposal as hazardous waste following applicable waste codes and regulations.
How to transport O-methyl (methoxycarbothioyldisulfanyl)methanethioate?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate is classified as ADR Class 6.1 (toxic substances) Packing Group III for transportation. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Shipments must include proper shipping names, UN numbers, and hazard labels. Transportation should be conducted by certified dangerous goods carriers with appropriate vehicle markings and emergency response information readily available.
Is O-methyl (methoxycarbothioyldisulfanyl)methanethioate subject to specific regulations?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate is subject to various chemical regulations including REACH registration requirements in Europe and CLP classification as Acute Tox. 4 with aquatic hazards. The compound is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with occupational safety regulations, environmental protection laws, and proper classification, labeling, and packaging requirements under applicable chemical safety legislation.
Where to buy O-methyl (methoxycarbothioyldisulfanyl)methanethioate in Europe?
O-methyl (methoxycarbothioyldisulfanyl)methanethioate is available through OYSI, a specialized European distributor of technical chemicals and laboratory reagents. OYSI provides this specialty organosulfur compound to research institutions, pharmaceutical companies, and chemical manufacturers across Europe. As a technical chemical with specific handling requirements, procurement should be coordinated with suppliers experienced in hazardous materials distribution and regulatory compliance.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.