3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one is an organophosphorus compound with the CAS number 56-72-4 and molecular formula C14H16ClO5PS. This chemical substance has a molecular weight of 362.8 g/mol and belongs to the coumarin derivative family. It is classified as a hazardous substance with acute toxicity properties and significant environmental risks, particularly to aquatic organisms.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one is a solid organophosphorus compound at room temperature with a molecular weight of 362.8 g/mol. The substance contains chlorine, phosphorus, and sulfur atoms within its coumarin-based structure. Specific physical properties such as melting point, boiling point, and solubility characteristics should be confirmed through technical data sheets due to the specialized nature of this chemical compound.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one is primarily used as a chemical intermediate in specialized industrial applications. Given its organophosphorus structure and coumarin backbone, it may serve as a precursor in the synthesis of pharmaceuticals, agrochemicals, or other fine chemicals. Its specific applications depend on the requirements of chemical manufacturers and research institutions working with phosphorus-containing organic compounds.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one requires careful handling due to its Acute Toxicity classification (Acute Tox. 2 and 4). Personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection must be worn. Work should be conducted in well-ventilated areas or under fume extraction. Avoid skin and eye contact, inhalation, and ingestion. Emergency washing facilities should be readily available.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one should be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. The storage area must be secured and accessible only to authorized personnel due to its acute toxicity classification. Original containers should be tightly sealed and properly labeled. Storage should comply with local regulations for toxic substances and include appropriate spill containment measures.

In case of skin contact with 3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one, immediately remove contaminated clothing and wash the affected area with plenty of soap and water. For eye contact, rinse immediately with clean water for at least 15 minutes. If inhaled, move to fresh air immediately. If ingested, do not induce vomiting. Seek immediate medical attention in all cases and provide the safety data sheet to medical personnel.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one must be disposed of through licensed hazardous waste disposal facilities due to its acute toxicity and environmental hazard classifications. The substance cannot be disposed of in regular waste streams or sewage systems due to its aquatic toxicity. Disposal must comply with local, national, and EU waste regulations. Contact certified waste management companies specialized in toxic chemical disposal.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one is classified under ADR Class 6.1 (Toxic substances), Packing Group II, indicating moderate toxicity for transport purposes. Transportation requires appropriate UN-specification packaging, proper labeling with GHS06 and GHS09 pictograms, and accompanying transport documents. Only certified carriers trained in hazardous materials transport should handle shipments. Emergency response information must accompany all shipments.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one is subject to EU REACH regulation and CLP classification requirements due to its hazardous properties. The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must comply with occupational exposure limits, environmental discharge restrictions, and notification requirements. Import, use, and handling may require specific authorizations depending on quantities and applications.

3-chloro-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one is available through OYSI, a specialized European distributor of technical chemicals. As an established supplier of hazardous chemicals, OYSI can provide this substance with proper documentation, safety data sheets, and regulatory compliance support. Contact OYSI directly for availability, specifications, and delivery options across European markets while ensuring all regulatory requirements are met.