Isoamyl acetate

CAS Number
123-92-2
EC Number
204-662-3
Chemical Formula
C7H14O2
Molecular Weight
130.18 g/mol
FEMA Number
FEMA 2055

Description

Isoamyl acetate (CAS 123-92-2), also known as isopentyl acetate, is an ester-based solvent and flavoring agent with a characteristic banana-pear aroma profile. It serves dual commercial roles as a functional solvent in industrial coating and printing applications.

The compound is also a key flavoring ingredient in food and fragrance formulations. In food manufacturing, it delivers banana and pear notes to confectionery, beverages, and baked goods. It is recognized under FEMA 2055 for use in flavor systems.

Printing and packaging operations use it as a fast-evaporating solvent in nitrocellulose-based inks and lacquers. Its evaporation rate supports print quality and adhesion on flexible substrates. Personal care formulators incorporate it into fragrance blends and nail care products.

In these applications, it contributes both scent character and solvent function. It also acts as a carrier solvent in aerosol formulations and specialty coatings requiring controlled viscosity and clean evaporation. This versatility makes it a staple in chemical manufacturing.

Isoamyl acetate is supplied as a clear liquid in drum and IBC quantities. Food-grade material is available meeting FCC specifications, while technical-grade is offered for industrial solvent applications. Purity levels typically range from 98% to 99%+ depending on the end use.

Other Names (Synonyms)

isopentyl ethanoate|isopentyl acetate|isoamyl ethanoate|i-amyl acetate|CH3C(O)O(CH2)2CH(CH3)2|beta-methyl butyl acetate|banana oil

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point -78.5 °C
Boiling Point 142.5 °C
Density 0.876 g/cm³ @ Temp: 15 °C
Flash Point 77 °F
Appearance All isomers of amyl acetate are highly flammable, colorless to yellow, watery liquids.
Color Clear Colorless
Odor Banana-like odor
Form neat
Water Solubility 0.20 g/100 mL. Slightly soluble
Vapor Pressure 5 mm Hg ( 25 °C)
Refractive Index n 20/D 1.4(lit.)
pH 7
Log P 2.7 at 35℃

Documentation

Safety & Handling Learn More

Warning
GHS02· Flammable GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H226 Flammable liquid and vapor
H315 Causes skin irritation
H316 Causes mild skin irritation
H319 Causes serious eye irritation

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.

Trade & Regulatory

HS Code 29153900
UN Number 1104
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 1
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