Fragrance material review on cyclopentanone.

A toxicologic and dermatologic review of cyclopentanone when used as a fragrance ingredient is presented. Cyclopentanone is a member of the fragrance structural group ketones cyclopentanones and cyclopentanones. The common characteristic structural element of the group members is a cyclopentanone or cyclopentanone ring with a straight or branched chain alkane or alkene substituent. This review contains a detailed summary of all available toxicology and dermatology papers that are related to this individual fragrance ingredient and is not intended as a stand-alone document. Available data for cyclopentanone were evaluated then summarized and includes physical properties, acute toxicity, skin irritation, mucous membrane (eye) irritation, skin sensitization, repeated dose, reproductive toxicity, and genotoxicity data. A safety assessment of the entire ketones cyclopentanones and cyclopentenones will be published simultaneously with this document; please refer to Belsito et al. (2012) for an overall assessment of the safe use of this material and all ketones cyclopentanones and cyclopentenones in fragrances.
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