4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol is an organic chemical compound with the molecular formula C25H18O2 and CAS number 3236-71-3. This substance has a molecular weight of 350.4 g/mol and belongs to the fluorene derivative family. It is characterized by its biphenolic structure containing a central fluorene core with two hydroxyphenyl groups. The compound is classified as hazardous with skin and eye irritation properties, and poses risks to aquatic environments.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol typically appears as a solid crystalline material at room temperature due to its high molecular weight of 350.4 g/mol. The compound contains two hydroxyl groups that influence its solubility characteristics, making it moderately soluble in polar organic solvents and alcohols but poorly soluble in water. Its fluorene backbone provides structural rigidity and contributes to its thermal stability properties.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol is primarily used as a chemical intermediate in pharmaceutical and fine chemical synthesis. Its biphenolic structure makes it valuable in polymer chemistry applications and as a building block for advanced materials. The compound may also find applications in research and development for specialty chemical formulations, particularly where fluorene-based structures are required for specific molecular properties.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol must be handled with appropriate personal protective equipment including safety gloves, protective clothing, and eye protection due to its Skin Irrit. 2 and Eye Irrit. 2 classifications. Work should be conducted in well-ventilated areas or under fume hoods. Avoid direct contact with skin and eyes, and prevent inhalation of dust or vapors. The Warning signal word indicates moderate hazard levels requiring standard laboratory safety precautions.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Given its aquatic toxicity classification (Aquatic Acute 1; Aquatic Chronic 1), storage areas must be designed to prevent environmental release. Keep containers properly labeled and away from incompatible materials. Regular inspection of storage containers is recommended to ensure integrity and prevent leakage.

Skin contact with 4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol requires immediate removal of contaminated clothing and thorough washing with soap and water for at least 15 minutes. For eye contact, rinse immediately with plenty of clean water for at least 15 minutes and seek medical attention. In case of inhalation, move to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet for complete first aid procedures.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol must be disposed of through licensed hazardous waste disposal facilities due to its aquatic toxicity classification. The substance cannot be discharged to sewers or waterways given its Aquatic Acute 1 and Aquatic Chronic 1 classifications. Disposal must comply with local, national, and EU waste regulations. Contact certified waste management companies for proper collection, treatment, and disposal following the waste framework directive requirements.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation purposes. This classification requires appropriate packaging, labeling, and documentation according to ADR regulations. Packages must display the Class 9 hazard label and proper shipping name. Transportation should be conducted by qualified carriers familiar with dangerous goods regulations, with appropriate emergency response information readily available during transport.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol is subject to standard EU chemical regulations including REACH registration requirements and CLP classification and labeling obligations. The substance is not currently identified as a Substance of Very High Concern (SVHC) under REACH. However, its GHS07 and GHS09 pictogram classifications require compliance with occupational health and environmental protection measures. Users must ensure proper risk assessment and implementation of appropriate risk management measures.

4-[9-(4-hydroxyphenyl)fluoren-9-yl]phenol is available through OYSI, a specialized European distributor of chemical products. OYSI provides this compound to industrial and research customers across Europe with proper documentation and regulatory compliance. As a professional chemical distributor, OYSI ensures quality standards, appropriate packaging, and regulatory compliance for hazardous materials transport. Contact OYSI directly for availability, specifications, and ordering information for your specific requirements.