6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one is an organophosphorus compound with the molecular formula C9H10ClN2O5PS and CAS number 35575-96-3. This chemical features a complex heterocyclic structure combining an oxazolopyridinone core with a chlorine substituent and a dimethoxyphosphorylsulfanylmethyl side chain. With a molecular weight of 324.68 g/mol, it represents a specialized chemical intermediate used in various industrial applications requiring specific structural properties.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one is a solid organophosphorus compound at room temperature with a molecular weight of 324.68 g/mol. The presence of both hydrophilic phosphate groups and lipophilic aromatic rings suggests moderate solubility in polar solvents. Its complex heterocyclic structure containing nitrogen, oxygen, phosphorus, and sulfur atoms contributes to its specific chemical reactivity and stability profile, making it suitable for specialized chemical processes.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one is primarily used as a chemical intermediate in pharmaceutical synthesis and specialty chemical manufacturing. Its unique heterocyclic structure makes it valuable for developing bioactive compounds and advanced materials. The compound serves in research and development applications where specific molecular architectures are required, particularly in medicinal chemistry and agrochemical development. Its organophosphorus nature also makes it relevant for specialized catalytic processes.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one requires careful handling due to its classification as Acute Tox. 3/4, Carc. 2, and Skin Sens. 1. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation. Avoid skin and eye contact, and ensure proper training on emergency procedures. Regular monitoring and adherence to occupational exposure limits are crucial for safe handling.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly sealed to prevent moisture absorption and contamination. Due to its toxic and potentially carcinogenic properties, storage must comply with local regulations for hazardous chemicals. Separate from oxidizing agents, strong bases, and food products. Implement appropriate access controls and inventory management to ensure safe handling and regulatory compliance.

Skin contact with 6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one requires immediate removal of contaminated clothing and thorough washing with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15-20 minutes and seek medical attention. If inhaled, move to fresh air and monitor breathing. Given its Acute Tox. 3/4 classification, seek immediate medical attention for all significant exposures. Always have safety data sheets readily available and inform medical personnel of the specific chemical involved.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one must be disposed of as hazardous waste according to local and European regulations. Due to its toxic, carcinogenic, and environmentally hazardous properties (Aquatic Acute 1, Chronic 1), it requires specialized treatment through licensed waste management facilities. Never dispose of in regular waste streams or sewers. Contact certified hazardous waste disposal companies and maintain proper documentation. Small quantities may require incineration at high temperatures with appropriate emission controls.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one is classified under ADR as Class 6.1 (toxic substances), Packing Group III. Transportation requires appropriate UN-specification packaging, proper labeling with GHS pictograms (GHS06, GHS08, GHS09), and transport documents. Vehicles must carry appropriate emergency equipment and drivers need ADR training. The shipment must include safety data sheets and emergency response information. Ensure compliance with international dangerous goods regulations for road, rail, sea, or air transport.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one is subject to REACH registration requirements and CLP classification as Carc. 2, Acute Tox. 3/4, STOT SE 1, Skin Sens. 1, and Aquatic hazards. While not currently listed as an SVHC, its carcinogenic classification may trigger additional regulatory scrutiny. Users must comply with occupational health regulations, environmental discharge limits, and proper waste management protocols. Import/export may require permits depending on jurisdiction and intended use.

6-chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chains for specialty organophosphorus compounds with proper regulatory documentation and safety data sheets. As an established chemical distributor, OYSI ensures compliance with European regulations including REACH registration and CLP classification requirements. Contact OYSI directly for availability, specifications, and technical support for your specific application requirements.