4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one is a complex organic compound with the molecular formula C31H24O3 and CAS number 56073-07-5. This coumarin derivative has a molecular weight of 444.5 g/mol and features a sophisticated structure combining chromenone, tetrahydronaphthalene, and biphenyl moieties. It is classified as an extremely hazardous substance with multiple toxicity classifications including reproductive toxicity, acute toxicity, and environmental hazards.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one is a solid organic compound at room temperature with a molecular weight of 444.5 g/mol. The compound contains multiple aromatic rings and a hydroxyl group, suggesting limited water solubility but good solubility in organic solvents. Its complex structure with extended conjugation likely results in characteristic UV absorption properties. Specific physical properties such as melting point, color, and exact solubility values require experimental determination or supplier specifications.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one is primarily used in specialized research and pharmaceutical applications. Its coumarin-based structure suggests potential applications in anticoagulant research, fluorescent probe development, or as an intermediate in pharmaceutical synthesis. Given its high toxicity classification, its use is restricted to professional laboratory settings with appropriate safety measures. The compound may also serve as a reference standard or analytical reagent in specialized chemical analysis applications.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one requires maximum safety precautions due to its Acute Tox. 1 classification. Personnel must wear full chemical protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work must be conducted in a well-ventilated area or fume hood. Avoid all routes of exposure including inhalation, skin contact, and ingestion. The substance poses reproductive hazards (Repr. 1B) and requires specialized training before handling.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one must be stored in a secure, temperature-controlled environment away from heat, light, and moisture. Due to its extreme toxicity, storage requires a locked cabinet with restricted access and appropriate hazard labeling. The container should be tightly sealed and made of compatible materials. Storage areas must be well-ventilated and equipped with spill containment measures. Keep away from incompatible substances and ensure emergency response equipment is readily available.

Immediate emergency response is critical for any contact with 4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one due to its Acute Tox. 1 classification. For skin contact, remove contaminated clothing and flush with copious amounts of water for at least 15 minutes. If inhaled, move to fresh air immediately. In case of eye contact, rinse thoroughly with water. For ingestion, do not induce vomiting. Seek immediate medical attention in all cases and provide the safety data sheet to medical personnel.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one requires disposal as hazardous waste through licensed waste management facilities due to its extreme toxicity and environmental hazard classification. The substance cannot be disposed of in regular waste streams or sewage systems due to its Aquatic Acute 1 and Aquatic Chronic 1 classifications. Disposal must comply with local, national, and European waste regulations including the Waste Framework Directive. Contact certified hazardous waste contractors for proper collection, treatment, and disposal procedures.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one is classified under ADR Class 6.1 (Toxic substances), Packing Group I, indicating maximum transport restrictions due to its extreme toxicity. Transport requires specialized hazardous materials carriers with appropriate permits and training. Packages must meet stringent packaging requirements with proper hazard labels and documentation. Emergency response information must accompany shipments. Transport is subject to quantity limitations and routing restrictions according to ADR regulations.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one is subject to extensive regulatory controls under European legislation. It falls under REACH registration requirements and CLP classification as a Category 1B reproductive toxin and Category 1 acute toxin. While not currently identified as an SVHC, its extreme hazard profile subjects it to strict handling, storage, and disposal regulations. Users must comply with occupational exposure limits, environmental protection measures, and may require special permits or licenses depending on intended use and quantities.

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one is available through OYSI, a specialized European distributor of technical chemicals. As an extremely hazardous substance, purchase requires verification of proper facilities, safety protocols, and legitimate research or industrial applications. OYSI provides comprehensive documentation including safety data sheets, certificates of analysis, and regulatory compliance information. Due to the substance's high toxicity classification, sales are restricted to qualified professionals with appropriate handling capabilities and regulatory compliance.