6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide is an organic chemical compound with the molecular formula C12H13NO2S and CAS number 5234-68-4. This substance belongs to the oxathiine family and features a heterocyclic ring structure containing both sulfur and oxygen atoms. With a molecular weight of 235.3 g/mol, it is classified as hazardous with specific concerns for repeated exposure toxicity, skin sensitization, and aquatic toxicity. The compound carries GHS warning pictograms and requires careful handling in industrial applications.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide is a solid organic compound at room temperature with a molecular weight of 235.3 g/mol. The substance contains a heterocyclic oxathiine ring system combined with a phenyl carboxamide group, giving it specific chemical stability and reactivity characteristics. Its molecular structure C12H13NO2S indicates the presence of aromatic and heterocyclic components. Detailed physical properties such as melting point, solubility, and appearance should be confirmed through technical datasheets from suppliers.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide is primarily used as an intermediate in chemical synthesis and pharmaceutical research applications. The compound's oxathiine structure makes it valuable in the development of biologically active molecules and specialty chemicals. Its specific molecular configuration allows for further chemical modifications in laboratory and industrial settings. Applications may include use as a building block in drug discovery programs and as a research chemical for academic institutions. Professional use requires appropriate safety measures due to its hazard classification.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide requires careful handling due to its skin sensitization potential and repeated exposure toxicity. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin contact. Work should be conducted in well-ventilated areas or under fume hoods to minimize inhalation exposure. Given its Skin Sens. 1 and STOT RE 2 classifications, avoid prolonged or repeated contact and ensure proper hygiene practices. Always consult the safety data sheet before handling and maintain emergency procedures nearby.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and properly labeled with hazard information including GHS pictograms GHS07, GHS08, and GHS09. Storage areas must be designed to prevent environmental release due to the substance's aquatic toxicity classification. Implement appropriate containment measures and restrict access to authorized personnel only. Regular inspection of storage containers and compliance with local chemical storage regulations are essential for safe long-term storage.

Immediate action is required in case of contact with 6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide due to its skin sensitization properties. For skin contact, immediately remove contaminated clothing and wash the 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 while holding eyelids open. If inhaled, move to fresh air immediately. Seek medical attention if irritation persists or if significant exposure has occurred. Always consult the specific safety data sheet for detailed first aid measures.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide must be disposed of through authorized hazardous waste management facilities due to its environmental and health hazards. The substance's aquatic toxicity classification (Aquatic Acute 1, Aquatic Chronic 1) prohibits disposal into sewers, waterways, or regular waste streams. Contact licensed waste disposal companies specializing in chemical waste treatment. Ensure proper documentation and tracking according to local and European waste regulations. Small quantities may require special collection procedures, while larger amounts need professional hazardous waste transportation and treatment services.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide is classified as ADR Class 9 (Miscellaneous Dangerous Goods), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Transport vehicles must display proper placarding and drivers need appropriate training for hazardous materials transport. Shipping documentation must include the correct UN identification, proper shipping name, and hazard class information. Professional logistics companies experienced in chemical transportation should handle shipments to ensure regulatory compliance and safety throughout the transport process.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide is subject to various European chemical regulations including REACH registration requirements and CLP classification obligations. The substance is not currently listed as a Substance of Very High Concern (SVHC), but must comply with standard chemical safety assessments. Its hazard classification under CLP requires appropriate labeling, safety data sheets, and risk management measures. Transport is regulated under ADR as Class 9 dangerous goods. Users must ensure compliance with occupational exposure limits and environmental protection measures due to its toxicity profile.

6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide is available through OYSI, a specialized European distributor of chemical products serving industrial and research customers. OYSI provides comprehensive support including technical documentation, safety data sheets, and regulatory compliance assistance for this specialty chemical. The company ensures proper packaging, labeling, and transportation according to ADR Class 9 requirements. Professional customers can contact OYSI for availability, technical specifications, and application support. As a European distributor, OYSI facilitates efficient supply chain management while maintaining high safety and quality standards.