Isobutyl acetate appears as a clear colorless liquid with a fruity odor. Flash point 64 °F. Less dense than water (6.2 lb / gal) and insoluble in water. Vapors are heavier than air.
Solubility 0.6 % at 77 °F (NIOSH, 2024)
Formula
C6H12O2
Mol. Weight
116.16
CAS #
110-19-0
Form
Liquid
State
Isobutyl acetate appears as a clear colorless liquid with a fruity odor. Flash point 64 °F. Less dense than water (6.2 lb / gal) and insoluble in water. Vapors are heavier than air.
Functions
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Adds Fragrance
Dissolves Ingredients
Antioxidant Protection
Adds pleasant scent
Dissolves other ingredients
Traditional Use
A synthetic ester developed in the early 20th century from petroleum derivatives. Used in cosmetics primarily as a solvent in nail lacquers and as a fragrance component.