4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one is a dicoumarol compound with CAS number 66-76-2 and molecular formula C19H12O6. This organic compound has a molecular weight of 336.3 g/mol and belongs to the coumarin family. It is classified as hazardous with acute toxicity, specific target organ toxicity, and aquatic chronic toxicity properties, requiring careful handling in industrial applications.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one is an organic solid compound with the molecular formula C19H12O6 and a molecular mass of 336.3 g/mol. As a dicoumarol derivative, it typically appears as a crystalline solid at room temperature. The compound contains multiple hydroxyl and carbonyl functional groups, which influence its solubility characteristics and chemical reactivity in various solvents and reaction conditions.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one serves as an important intermediate in pharmaceutical and chemical synthesis applications. This dicoumarol compound is utilized in research and development processes, particularly in the production of anticoagulant medications and related pharmaceutical compounds. Its coumarin structure makes it valuable for specialized chemical manufacturing processes requiring specific organic intermediates with defined molecular properties.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one requires careful handling due to its Acute Tox. 4 and STOT RE 1 classifications. Essential safety measures include wearing appropriate personal protective equipment such as chemical-resistant gloves, safety goggles, and respiratory protection. Work in well-ventilated areas or under fume hoods to minimize inhalation exposure. Avoid direct skin and eye contact, and implement proper hygiene practices including thorough hand washing after handling.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one should be stored in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers tightly sealed and clearly labeled with hazard information. Store separately from incompatible materials and ensure access is restricted to authorized personnel only. The storage area should be equipped with appropriate spill containment measures and emergency equipment, following local safety regulations for toxic substances.

Immediate medical attention is required for any exposure to 4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one due to its acute toxicity. For skin contact, remove contaminated clothing and rinse thoroughly with water for at least 15 minutes. If inhaled, move to fresh air immediately. For eye contact, flush with clean water for 15 minutes while holding eyelids open. Never induce vomiting if ingested. Contact emergency medical services and provide safety data sheet information to medical personnel.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one must be disposed of through licensed hazardous waste disposal facilities in accordance with local, national, and EU waste regulations. The compound cannot be disposed of in regular waste streams due to its toxic properties and aquatic chronic toxicity classification. Container disposal should follow the same hazardous waste protocols. Consult local environmental authorities for specific disposal requirements and approved waste management contractors.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one is classified under ADR Class 6.1, Packing Group III for transportation of toxic substances. Transport requires proper UN-specification packaging, appropriate hazard labels, and transport documentation. The compound must be transported by qualified carriers with ADR certification for dangerous goods. Ensure packages are properly secured, labeled with correct hazard pictograms, and accompanied by safety data sheets during transit throughout Europe.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one is subject to REACH regulation requiring registration for import/manufacture above one tonne annually in the EU. The compound is classified under CLP regulation with GHS pictograms GHS07, GHS08, and GHS09, requiring appropriate labeling and safety data sheets. While not currently listed as an SVHC substance, its toxic properties mean it may be subject to additional workplace exposure limits and environmental discharge restrictions.

4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this compound to qualified industrial and research customers across Europe, ensuring full regulatory compliance including proper documentation, safety data sheets, and appropriate packaging for ADR Class 6.1 transportation requirements. Contact OYSI directly to discuss availability, specifications, and delivery options for your specific application requirements.