2-Methylbutyl isovalerate

Synonym(s):2-Methylbutyl 3-methylbutanoate

CAS NO.：2445-77-4
Empirical Formula: C10H20O2
Molecular Weight: 172.26
MDL number: MFCD00209537
EINECS: 219-496-7
SAFETY DATA SHEET (SDS)
Update Date: 2025-12-17 09:49:24

What is 2-Methylbutyl isovalerate?

Description

2-Methylbutyl isovalerate has a herbaceous, fruity, somewhat earthy fragrance with a sweet, herbaceous, fruity flavor. May be prepared by direct esterification of 2-methylbutanol with isovaleric acid.

Chemical properties

Colorless liquid; herbaceous, fruity odor.Sol in alc, fixed oils; insol in water.

Chemical properties

2-Methylbutyl-3-methylbutanoate has an herbaceous, fruity,somewhat earthy fragrance and a sweet, herbaceous, fruity flavor.

Occurrence

Reported found in tomato, peppermint and oil, Scotch spearmint oils, cheddar cheese, hop oil, sherry, quince, jackfruit and whiskey.

The Uses of 2-Methylbutyl isovalerate

Food additive.

Preparation

By direct esterification of 2-methylbutanol with isovaleric acid.

Definition

ChEBI: 2-Methylbutyl 3-methylbutanoate is a fatty acid ester.

Aroma threshold values

Detection: 24 ppb

Taste threshold values

Taste characteristics at 5 to 15 ppm: fruity, estery with a berry-apple and tutti-frutti nuance.

Properties of 2-Methylbutyl isovalerate

Melting point:	-68.47°C (estimate)
Boiling point:	191-195 °C(lit.)
Density	0.858 g/mL at 25 °C(lit.)
FEMA	3506 \| 2-METHYLBUTYL 3-METHYLBUTANOATE
refractive index	n20/D 1.414(lit.)
Flash point:	143 °F
solubility	Insoluble in water, soluble in alcohol and oils.
color	Colorless liquid.
Odor	at 100.00 %. herbal fruity earthy cheese apple green
JECFA Number	204
CAS DataBase Reference	2445-77-4
NIST Chemistry Reference	Butanoic acid, 3-methyl-, 2-methylbutyl ester(2445-77-4)
EPA Substance Registry System	2-Methylbutyl isovalerate (2445-77-4)