2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine is an organophosphorus compound with the molecular formula C8H9O3PS and molecular weight of 216.2 g/mol. This chemical substance contains phosphorus, sulfur, and oxygen atoms arranged in a benzodioxaphosphinine ring structure with a methoxy substituent. It is classified as a hazardous substance under CLP regulation with acute toxicity and specific target organ toxicity properties.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine is a phosphorus-containing organic compound with a molecular weight of 216.2 g/mol and the formula C8H9O3PS. The specific physical properties such as melting point, boiling point, density, and solubility require consultation of detailed technical data sheets. As an organophosphorus compound, it typically exhibits moderate stability under normal conditions but may be sensitive to moisture and heat.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine is primarily used in specialized chemical synthesis and research applications. As an organophosphorus compound, it may serve as an intermediate in the production of pharmaceutical compounds, agrochemicals, or specialty chemicals. Its specific applications depend on its reactivity profile and the requirements of particular synthetic pathways. Professional use requires appropriate technical expertise and safety measures.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine requires careful handling due to its Acute Tox. 3 and STOT SE 1 classifications. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection. Work must be conducted in well-ventilated areas or under fume extraction. Avoid skin and eye contact, inhalation, and ingestion. Emergency procedures and first aid measures should be readily available before handling begins.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine must be stored in a cool, dry, well-ventilated area away from incompatible materials. Containers should be tightly sealed and labeled according to CLP requirements including GHS06, GHS08, and GHS09 pictograms. Storage areas should have appropriate containment measures and restricted access. Keep away from heat sources, oxidizing agents, and moisture. Regular inspection of container integrity is recommended.

Immediate action is required upon contact with 2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine due to its acute toxicity. For skin contact, remove contaminated clothing and rinse affected area with plenty of water. In case of eye contact, flush immediately with water for at least 15 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet for specific first aid measures.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine must be disposed of as hazardous waste in accordance with local, national, and EU regulations. The substance cannot be disposed of via normal waste streams due to its toxicity and environmental hazard classification. Disposal should be conducted through licensed hazardous waste management companies using appropriate treatment methods such as high-temperature incineration. Consult local authorities for specific disposal requirements and authorized waste handlers.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine is classified under ADR as Class 6.1 (toxic substances), Packing Group III. Transportation requires appropriate UN-approved packaging, proper labeling with hazard diamonds, and accompanying transport documentation. Vehicles must carry appropriate emergency equipment and drivers need hazardous goods training certification. Segregation requirements must be observed to prevent incompatible materials from being transported together.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine is subject to REACH regulation for registration and authorization in the EU. The substance must be classified and labeled according to CLP regulation with Danger signal word and appropriate GHS pictograms. While not currently listed as SVHC, its acute toxicity properties may trigger additional restrictions. Users must maintain safety data sheets and ensure compliance with occupational exposure limits and environmental protection requirements.

2-methoxy-2-sulfanylidene-4H-1,3,2lambda5-benzodioxaphosphinine is available through OYSI, a specialized European distributor of chemical products. OYSI provides professional-grade chemicals with proper documentation, safety data sheets, and regulatory compliance support. As a hazardous substance requiring specialized handling, purchase is typically restricted to qualified industrial users, research institutions, and companies with appropriate safety infrastructure and expertise in chemical handling.