- CAS number
- 80-71-7
- IFRA Standard status
- Not recorded
- Products
- 11
Last updated · 25-05-2026Record completeness75%
The information here describes the ingredient in general. Its possible sources may vary and do not necessarily show the origin or form used in a particular YUMA product. For product-specific information, check the relevant product page.
Description
Methylcyclopentenolone features a sweet, buttery aroma strongly reminiscent of maple syrup and caramel. In nature, this aromatic ingredient is found in baked goods, coffee, fish, and burning wood smoke. Perfumers often produce a nature-identical version in laboratories, ensuring consistent quality and helping preserve natural resources. The laboratory production of Methylcyclopentenolone can originate from various sources, including renewable materials, thereby enhancing sustainability in the fragrance industry and offering a reliable solution for creating appealing gourmand fragrances.
Reported natural sources
Wood SmokeFish
Additional information
- Methylcyclopentenolone is a key component in the aroma of Canadian maple syrup, also referred to as the "scent of Canada" in perfumery.
- The chemical structure of Methylcyclopentenolone, featuring a five-membered ring and a ketone group, is responsible for its warm, caramel-like scent as it interacts uniquely with our olfactory receptors.
- Methylcyclopentenolone has been a central ingredient in gourmand fragrances since the 1990s, imparting notes of sweets and desserts.
CAS number
80-71-7
Other names
Nat. MCP2- hydroxy-3-methyl-2-cyclopenten-1-one hydrateMethylcyclopentenolon-3,2,2- hydroxy-1-methyl cyclopenten-3-one hydrateCyclotene hydrate natural3- methyl cyclopentane-1,2-dione hydrateCorylone driedKentonarome2- hydroxy-3-methyl cyclopent-2-en-1-one hydrate3- methyl-2-cyclopentene-2-olone hydrate
Linked YUMA products
IFRA Standard status
The IFRA Standards form an industry self-regulatory system. They may prohibit or restrict the use of particular fragrance ingredients, or set specifications, according to end use. The status below reflects the IFRA data recorded for this ingredient. It is not a product certification and does not replace applicable law or assessment of the finished product.
Not recorded
Regulatory information
The Research Institute for Fragrance Materials (RIFM) is in the process of completing a comprehensive safety evaluation for methylcyclopentenolone. Once finalized, it will undergo review by the Expert Panel for Fragrance Safety, followed by publication in a peer-reviewed scientific journal.
