2-METHYLPROPANAL is graded A** (Safe) by Expert·ING, based on COSING regulatory data.

2-METHYLPROPANAL

Isobutyraldehyde

Safety grade: A**

2-Methylpropanal is a small organic compound with a pungent, fruity smell that occurs naturally in some foods and plants. It is a type of aldehyde, which is a category of simple chemical molecules used in fragrance and cosmetic formulations.

This ingredient is used in cosmetic products, particularly nail care and perfumed formulas, to add or enhance fragrance notes and to help condition and improve the appearance of nails.

Graded using: COSING.

Last verified: May 26, 2026