Methyl 3-acetylsulfanyl-2-methylpropanoate

Methyl 3-acetylsulfanyl-2-methylpropanoate is an organic sulfur compound with the molecular formula C7H12O3S and CAS number 97101-46-7. This chemical features both ester and thioester functional groups in its structure, with a molecular weight of 176.24 g/mol. It is classified as a hazardous substance requiring careful handling due to its acute toxicity, skin sensitization properties, and aquatic toxicity. The compound is commonly used in industrial applications requiring specific sulfur-containing organic intermediates.

Methyl 3-acetylsulfanyl-2-methylpropanoate is a liquid organic compound with a molecular weight of 176.24 g/mol. As a sulfur-containing ester, it typically exhibits moderate volatility and characteristic sulfur-related odor properties. The compound contains both hydrophilic ester groups and lipophilic alkyl chains, affecting its solubility profile. Its chemical structure suggests moderate stability under normal conditions, though specific physical parameters like boiling point and density may vary depending on purity and environmental conditions.

Methyl 3-acetylsulfanyl-2-methylpropanoate serves as a chemical intermediate in organic synthesis and industrial manufacturing processes. Its unique combination of ester and thioester functional groups makes it valuable for producing specialized compounds in pharmaceutical, agrochemical, and fine chemical industries. The compound is particularly useful in reactions requiring sulfur-containing building blocks or as a precursor for more complex organic molecules. Its applications typically involve professional industrial use rather than consumer products due to its hazardous classification.

Methyl 3-acetylsulfanyl-2-methylpropanoate requires careful handling due to its Acute Tox. 4 and Skin Sens. 1 classifications. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work in well-ventilated areas or use local exhaust ventilation to minimize inhalation exposure. Avoid generating vapors or mists, and ensure emergency shower and eyewash facilities are readily accessible. Handle only by trained personnel familiar with chemical safety procedures and the substance's specific hazard profile.

Methyl 3-acetylsulfanyl-2-methylpropanoate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Given its skin sensitization and aquatic toxicity properties, storage areas must be designed to prevent environmental release and human exposure. Keep containers upright and properly labeled according to GHS requirements with Warning signal word and appropriate pictograms (GHS07, GHS09). Store separately from incompatible materials and ensure adequate spill containment measures are in place.

Immediate action is required following contact with methyl 3-acetylsulfanyl-2-methylpropanoate due to its acute toxicity and skin sensitization potential. For skin contact, immediately remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, rinse immediately with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet and contact emergency services if symptoms develop.

Methyl 3-acetylsulfanyl-2-methylpropanoate must be disposed of as hazardous waste through licensed waste management contractors due to its toxicity and environmental hazard classification. Never dispose of this substance through regular drains, soil, or municipal waste systems as it poses risks to aquatic environments (Aquatic Acute 1, Aquatic Chronic 1). Collect waste in appropriate containers, properly labeled and segregated from other chemicals. Follow local and national regulations for hazardous waste disposal, including proper documentation and manifesting procedures required by environmental authorities.

Methyl 3-acetylsulfanyl-2-methylpropanoate is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to international dangerous goods regulations. Packages must bear proper shipping names, UN numbers, and hazard labels as specified in ADR requirements. Transport vehicles must comply with Class 9 regulations, and drivers need appropriate dangerous goods training certification. Ensure proper segregation from incompatible materials during transport and maintain required transport documents.

Methyl 3-acetylsulfanyl-2-methylpropanoate is subject to multiple regulatory frameworks including REACH registration requirements in Europe and CLP classification obligations. The substance is classified under GHS with specific hazard categories (Acute Tox. 4, Skin Sens. 1, Aquatic toxicity) requiring appropriate labeling and safety data sheets. While not currently identified as an SVHC substance, it remains subject to standard chemical safety regulations. Industrial users must comply with occupational safety standards, environmental protection requirements, and proper waste management protocols as mandated by national and international chemical regulations.

Methyl 3-acetylsulfanyl-2-methylpropanoate is available through OYSI, a specialized European distributor of technical chemicals and industrial intermediates. OYSI provides this compound with proper regulatory compliance, including safety data sheets and appropriate packaging meeting ADR transportation requirements. As a professional chemical supplier, OYSI serves industrial customers across Europe with technical support and regulatory guidance. For specific availability, quantities, and technical specifications, contact OYSI directly to discuss your application requirements and ensure proper handling procedures for this regulated substance.