Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate

Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate is an organophosphorus compound with the molecular formula C14H20N3O5PS and CAS number 13457-18-6. This chemical substance has a molecular weight of 373.37 g/mol and belongs to the pyrazolo-pyrimidine family of compounds. It is classified as moderately toxic and presents environmental hazards, requiring careful handling and storage protocols in industrial and research applications.

Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate is a complex organic molecule with a molecular weight of 373.37 g/mol. The compound contains phosphorus, sulfur, nitrogen, and oxygen functional groups, which influence its chemical behavior and stability. Its exact physical state, color, and solubility characteristics depend on storage conditions and purity grade. The presence of ethyl ester and phosphinate groups affects its reactivity and compatibility with various solvents and chemical systems.

Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate is primarily used as a chemical intermediate in pharmaceutical and agrochemical synthesis. The compound serves as a building block in the development of bioactive molecules and specialized organic compounds. Its unique pyrazolo-pyrimidine structure makes it valuable for research applications in medicinal chemistry and crop protection product development. Industrial applications may include use in fine chemical manufacturing and custom synthesis operations.

Safe handling of ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems to prevent inhalation exposure. The compound's Acute Toxicity Category 4 classification necessitates avoiding skin contact, ingestion, and inhalation. Handle containers carefully to prevent spills and ensure proper grounding when transferring the material to prevent static discharge.

Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate should be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers tightly sealed to prevent contamination and degradation. Storage areas must be equipped with appropriate spill containment measures due to the compound's environmental hazard classification. Separate from strong oxidizers, acids, and bases to prevent unwanted reactions. Ensure storage facilities comply with local regulations for toxic and environmentally hazardous substances.

Immediate first aid measures for ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate exposure include removing contaminated clothing and flushing affected skin or eyes with plenty of clean water for at least 15 minutes. If inhaled, move the person to fresh air immediately. In case of ingestion, do not induce vomiting and seek medical attention promptly. Contact emergency services if severe symptoms develop. Keep the safety data sheet available for medical personnel to provide specific treatment information.

Proper disposal of ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate must be conducted through licensed hazardous waste disposal facilities due to its toxic and environmental hazard classification. The substance cannot be disposed of in regular waste streams or sewage systems. Contact certified waste management companies specializing in chemical disposal. Follow all local, national, and EU regulations including the Waste Framework Directive. Maintain proper documentation of disposal activities for regulatory compliance and traceability.

Transportation of ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate is regulated under ADR Class 6.1 (toxic substances), Packing Group III. The compound requires appropriate hazardous goods packaging, labeling, and documentation for road transport. Vehicles must carry proper placarding and emergency response information. Drivers need ADR certification for dangerous goods transport. Shipping documentation must include the correct UN number, proper shipping name, hazard class, and packing group information according to international dangerous goods regulations.

Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate is subject to EU REACH regulation requiring registration for manufacture or import above specified tonnage thresholds. The compound falls under CLP regulation for classification, labeling, and packaging of hazardous substances. It is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with occupational exposure limits, environmental discharge restrictions, and waste management regulations. Import/export may require additional permits depending on quantity and intended use.

Ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate is available through OYSI, a specialized European distributor of technical chemicals and pharmaceutical intermediates. OYSI provides reliable supply chains for research institutions, pharmaceutical companies, and chemical manufacturers across Europe. As an established distributor, OYSI ensures proper handling, documentation, and regulatory compliance for hazardous substances. Contact OYSI directly to discuss availability, technical specifications, packaging options, and delivery requirements for your specific application needs.