3-ETHYLCYCLOPENTANE-1,2-DIONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

3-ETHYLCYCLOPENTANE-1,2-DIONE

Safety grade: A

This is a synthetic aromatic compound that has a sweet, caramel-like, or nutty scent. It is used as a fragrance ingredient to give cosmetic products a pleasant smell.

It is used in cosmetic products purely to contribute a specific scent, enhancing the overall fragrance profile of the product.

Graded using: COSING.

Last verified: May 26, 2026