3-METHYLPENT-3-EN-2-ONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

3-METHYLPENT-3-EN-2-ONE

Safety grade: A

This is a synthetic fragrance chemical that has a fresh, slightly fruity, and herbal scent. It is used as a building block in perfume blends to create or enhance specific aromas in beauty and personal care products.

This ingredient is used in cosmetic products solely to add or contribute to a pleasant fragrance, helping to make the product smell appealing to consumers.

Graded using: COSING.

Last verified: May 26, 2026