Cyclopentanone

Cyclopentanone is a cyclic ketone with the molecular formula C5H8O and CAS number 120-92-3. This organic compound features a five-membered ring structure with a carbonyl group, making it a versatile chemical intermediate. With a molecular weight of 84.12 g/mol, cyclopentanone is classified as a flammable liquid with skin and eye irritation properties, requiring careful handling in industrial applications.

Cyclopentanone is a colorless liquid with a characteristic peppermint-like odor at room temperature. This ketone is miscible with most organic solvents and has limited solubility in water. It exhibits typical ketone reactivity and volatility, with its five-membered ring structure providing unique chemical properties compared to linear ketones. The compound's physical state and solubility characteristics make it suitable for various synthetic applications.

Cyclopentanone serves primarily as a chemical intermediate in organic synthesis and pharmaceutical manufacturing. It is used in the production of fine chemicals, specialty polymers, and as a solvent in certain industrial processes. The compound finds applications in the synthesis of various cyclic compounds and serves as a building block for more complex molecular structures in research and development activities.

Cyclopentanone requires careful handling due to its flammable nature and irritant properties. Personnel should wear appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and protective clothing. Work areas must be well-ventilated and free from ignition sources. Avoid direct skin and eye contact, and ensure proper grounding of equipment when transferring the material to prevent static electricity buildup.

Cyclopentanone should be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use tightly sealed containers made of compatible materials and store away from incompatible substances such as strong oxidizing agents. Storage areas should be equipped with appropriate fire suppression systems and maintained at stable temperatures to prevent vapor buildup and ensure product stability.

In case of skin contact with cyclopentanone, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical assistance.

Cyclopentanone waste must be disposed of according to local, national, and international environmental regulations. The material should be collected in appropriate containers and handed over to licensed waste disposal companies for proper treatment or incineration. Never dispose of cyclopentanone down drains or into the environment. Contaminated packaging should also be treated as hazardous waste and disposed of accordingly.

Cyclopentanone is classified under ADR Class 3 (Flammable Liquids), Packing Group III for transport purposes. Shipments must comply with dangerous goods regulations, using appropriate packaging, labeling, and documentation. Vehicles must be equipped with proper safety equipment and drivers should hold valid dangerous goods transport certificates. The transport containers must display the required hazard labels and UN identification numbers.

Cyclopentanone is subject to standard chemical regulations including REACH registration requirements in the European Union and CLP classification for hazard communication. The substance is not currently listed as a Substance of Very High Concern (SVHC) under REACH. Users must comply with workplace safety regulations, environmental protection laws, and proper classification and labeling requirements according to the globally harmonized system (GHS).

Cyclopentanone is available through OYSI, a trusted European distributor of specialty chemicals serving various industries across the region. OYSI provides quality cyclopentanone with proper documentation, safety data sheets, and regulatory compliance support. As an established chemical distributor, OYSI ensures reliable supply chains and technical support for customers requiring this chemical intermediate for their industrial applications.