5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one is an organic chemical compound with the molecular formula C14H15ClO and CAS number 131984-21-9. This substance features a cyclopentanone ring structure with a chlorophenyl substituent, giving it a molecular weight of 234.72 g/mol. It is classified as having chronic aquatic toxicity (Aquatic Chronic 2) and requires specific handling precautions due to its environmental impact potential.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one is a solid organic compound at room temperature with a molecular weight of 234.72 g/mol. The presence of the chlorophenyl group and ketone functionality influences its solubility characteristics and chemical reactivity. As a substituted cyclopentanone derivative, it exhibits typical properties of aromatic ketones, with the chlorine substituent affecting its polarity and intermolecular interactions.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one is primarily used as an intermediate in organic synthesis and pharmaceutical research. Its unique structural features, including the conjugated system and chlorophenyl substituent, make it valuable for developing specialized chemical compounds. The substance may also serve as a building block in the production of advanced materials or as a research chemical in academic and industrial laboratories focusing on organic chemistry applications.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one requires standard chemical handling precautions with particular attention to environmental protection due to its Aquatic Chronic 2 classification. Use appropriate personal protective equipment including chemical-resistant gloves, safety glasses, and laboratory coats. Work in well-ventilated areas or under fume hoods to minimize exposure. Avoid direct contact with skin and eyes, and prevent release into the environment, especially water systems.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one should be stored in tightly sealed containers in a cool, dry place away from direct sunlight and heat sources. Keep the substance in its original packaging with proper labeling including the GHS09 environmental hazard pictogram. Store away from incompatible materials and ensure containment measures are in place to prevent environmental release. Follow standard chemical storage protocols for organic compounds with environmental hazard classifications.

In case of skin contact with 5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one, immediately wash the affected area with plenty of soap and water. For eye contact, rinse thoroughly with clean water for at least 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. Remove contaminated clothing and wash before reuse. Seek medical advice if symptoms persist or if significant exposure occurs. Prevent environmental contamination during cleanup procedures.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one must be disposed of through licensed hazardous waste disposal facilities due to its environmental hazard classification (Aquatic Chronic 2). Never discharge this substance into sewers, water systems, or soil. Collect waste in appropriate containers and label clearly. Contact certified waste disposal companies familiar with chemical waste regulations. Follow local and national environmental protection laws, and maintain disposal documentation for regulatory compliance.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one is classified as ADR Class 9 (Miscellaneous dangerous substances), Packing Group III, indicating it requires specific transport regulations. Use appropriate packaging that meets UN specifications for Class 9 materials. Ensure proper documentation including transport documents and safety data sheets. Vehicles must carry appropriate placards and emergency equipment. Drivers should be trained in hazardous materials transport and emergency procedures for chemical spills.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one is subject to REACH regulation as a chemical substance distributed in Europe and must comply with CLP classification requirements showing Aquatic Chronic 2 hazard class. It is not currently listed as a Substance of Very High Concern (SVHC). Users must follow occupational health and safety regulations, environmental protection laws, and chemical transport regulations (ADR Class 9). Proper safety data sheets and hazard labeling are mandatory.

5-[(4-chlorophenyl)methylidene]-2,2-dimethylcyclopentan-1-one is available through OYSI, a specialized European distributor of technical chemicals and research compounds. OYSI provides high-quality chemical products with complete regulatory documentation, safety data sheets, and technical support. As an established chemical supplier, OYSI ensures compliance with European regulations including REACH and CLP requirements. Contact OYSI directly for availability, specifications, and technical information regarding this specialized chemical compound.