Flavors & Fragrances
REACH
Ethyl 2-methylbutyrate
CAS Number
7452-79-1
EC Number
231-225-4
FEMA Number
FEMA 2443
What is Ethyl 2-methylbutyrate?
Ethyl 2-methylbutyrate (CAS 7452-79-1) is a synthetic flavor and fragrance ester used to impart fresh apple, fruity, and green top notes. FEMA 2443.
Where is Ethyl 2-methylbutyrate used?
- Food and beverage: builds or enhances apple, pear, and tropical fruit profiles
- Confectionery, beverages, dairy products, and baked goods
- Personal care: shampoos, body lotions, and fine fragrances needing fresh green-fruity character
- Tobacco flavoring and functional food formulations replicating natural fruit character at low use levels
- Flavor houses blend it with other esters and aldehydes to construct complex top-note profiles.
Good to know: Approved as a flavoring substance under major regulatory frameworks. Food-grade material conforming to FCC and FEMA specifications is the standard commercial offering.
Commercial specifications
- Purity generally 98% or higher for flavor-grade material
- Drum and IBC quantities for industrial buyers; smaller pack sizes for laboratories
Other Names (Synonyms)
Ethyl alpha-methylbutyrate|Ethyl 2-methylbutanoate|Butyric acid, 2-methyl-, ethyl ester (8CI)|Butyric acid, 2-methyl-, ethyl ester|Butanoic acid, 2-methyl-, ethyl ester|2-Methylbutanoic acid ethyl ester|2-Methyl-ethyl ester(.+/-.)-Butanoic acid
What are the physical properties of Ethyl 2-methylbutyrate?
Melting Point -93.23°C (estimate)
Boiling Point 134.9 °C
Density 0.83146 g/cm³ @ Temp: 70.00 °C
Flash Point 79 °F
Appearance clear colorless liquid
Color Clear colorless
Odor at 10.00 % in dipropylene glycol. sharp sweet green apple fruity
Form Liquid
Water Solubility 600mg/L at 20℃
Vapor Pressure 11.73hPa at 20℃
Refractive Index n 20/D 1.397(lit.)
pH 7 (H2O)
Log P 2 at 20℃
How is Ethyl 2-methylbutyrate classified and handled safely? Learn More
Warning
GHS02· Flammable
Hazard Statements
H226 Flammable liquid and vapor
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
Which trade and regulatory codes apply to Ethyl 2-methylbutyrate?
HS Code 29159080
UN Number 3272
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 1