Flavors & Fragrances
REACH
Isoamyl butyrate
CAS Number
106-27-4
EC Number
203-380-8
FEMA Number
FEMA 2060
What is Isoamyl butyrate?
Isoamyl butyrate (CAS 106-27-4), also known as isopentyl butyrate, is a synthetic ester used commercially as a flavoring and fragrance ingredient. FEMA 2060.
Where is Isoamyl butyrate used?
- Food and beverage: banana, pear and tropical fruit notes in confectionery, beverages, baked goods and dairy products
- Fragrance: fruity top notes in shampoos, body lotions and soaps
- Functional flavor blends: low-cost, stable ester anchoring volatile top-note compositions
- Confectionery coatings and fillings: primary flavoring agent
- It delivers a characteristic banana, pear and tropical fruit profile.
Good to know: Technical-grade material is for fragrance and non-food applications where food compliance is not required.
Commercial specifications
- Drum and IBC quantities
Other Names (Synonyms)
isopentyl butyrate|isopentyl butanoate|isoamyl butanoate|3-methylbutyl butanoate|3-methylbutyl butyrate|Butanoic acid, 3-methylbutyl ester|Butyric acid, isopentyl ester|Isoamyl-n-butyrate
What are the physical properties of Isoamyl butyrate?
Melting Point -73.2 °C
Boiling Point 180 °C @ Press: 760 Torr
Density 0.83276 g/cm³ @ Temp: 70.00 °C
Flash Point 136 °F
Appearance CLEAR COLOURLESS LIQUID
Color Colorless to Almost colorless
Odor at 100.00 %. fruity green apricot pear banana
Form neat
Water Solubility 184.7mg/L at 20℃
Vapor Pressure 1.1 hPa (20 °C)
Refractive Index n 20/D 1.411(lit.)
Log P 3.99 at 22.4℃
How is Isoamyl butyrate classified and handled safely? Learn More
Warning
GHS02· Flammable
Hazard Statements
H226 Flammable liquid and vapor
H412 Harmful to aquatic life with long lasting effects
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 Isoamyl butyrate?
HS Code 29156019
UN Number 3272
ADR Class 3
Packing Group III
WGK (Germany) 1