3-ETHYL-2-METHYLNON-2-ENOIC ACID is graded A (Safe) by Expert·ING, based on COSING regulatory data.

3-ETHYL-2-METHYLNON-2-ENOIC ACID

Safety grade: A

This is a synthetic fragrance ingredient used to create or enhance scents in cosmetic products. It is a lab-created organic acid that contributes a specific aromatic character to a fragrance blend.

This ingredient is used in cosmetic products to add or enhance fragrance, contributing to the overall scent profile of the formula.

Graded using: COSING.

Last verified: May 26, 2026