Ethyl butyrate

CAS Number
105-54-4
EC Number
203-306-4
Chemical Formula
C6H12O2
Molecular Weight
116.16 g/mol
FEMA Number
FEMA 2427

Description

Ethyl butyrate (CAS 105-54-4), also known by its FEMA 2427 designation, is a synthetic ester used primarily as a flavoring and fragrance ingredient across food, cosmetic, and industrial formulations. It delivers a characteristic pineapple, banana, and tropical fruit profile that makes it one of the most recognized fruit flavor esters in commercial use today for various global markets.

In food and beverage manufacturing, it is incorporated into fruit-flavored confectionery, soft drinks, dairy products, and baked goods to replicate or enhance tropical and stone fruit notes. Fragrance formulators use it in personal care products including lotions, shampoos, and body sprays where its fruity top note contributes to fresh, tropical scent profiles for consumers.

In lubricant and metalworking formulations, it functions as a synthetic ester base or additive where controlled lubricity and compatibility with other ester-based fluids are required for performance. Cosmetic formulators also evaluate it as a skin-conditioning ester in emollient systems. It is supplied as a clear liquid in drum and IBC quantities, with bulk tanker options available for buyers.

Food-grade material is produced to FCC specifications, supporting compliance for flavoring applications. Technical-grade material is available for industrial and fragrance end uses.

Other Names (Synonyms)

N-Butyric acid ethyl ester|Ethyl N-butyrate|Ethyl N-butanoate|Ethyl ester of butanoic acid|Ethyl 1-butyrate|butyric ether|Butyric ester

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 -100.8 °C
Boiling Point 120-121 °C
Density 0.879 g/cm³ @ Temp: 20 °C
Flash Point 67 °F
Appearance Ethyl butyrate is a colorless liquid. Pineapple odor. The Odor Threshold is 0.015 ppm.
Color Clear colorless
Odor Like apple or pineapple.
Form Liquid
Water Solubility practically insoluble
Vapor Pressure 15.5 mm Hg ( 25 °C)
Refractive Index n 20/D 1.392(lit.)
Log P 2.433 at 25℃

Documentation

Safety & Handling Learn More

Warning
GHS02· Flammable GHS07· Irritant

Hazard Statements

H226 Flammable liquid and vapor
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory 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 29156000
UN Number 1180
ADR Class 3
Packing Group III
WGK (Germany) 1
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