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Ethyl hexanoate

CAS Number
123-66-0
EC Number
204-640-3
Chemical Formula
C8H16O2
Molecular Weight
144.21 g/mol

Description

Ethyl hexanoate ( CAS 123-66-0 ), also known by its FEMA 2439 designation and commercially as ethyl caproate, is a fruity ester used as a flavoring agent and fragrance ingredient across food, cosmetic, and industrial applications. Its characteristic apple-pineapple odor profile makes it a target compound for flavor houses and fragrance formulators sourcing aroma chemicals at scale. In food and beverage manufacturing, it functions as a flavoring agent. It is used in fruit-type confectionery, alcoholic beverages, and dairy products where tropical and apple notes are required. Fragrance formulators incorporate it into personal care products including lotions, shampoos, and body washes. These applications deliver light, fresh top notes to the consumer. As a synthetic ester, it also sees use as a lubricant additive and plasticizer component in specialty industrial formulations where low-viscosity ester chemistry is specified. Flavor blenders reference its regulatory status when qualifying it for use in regulated food applications in the US market. The compound is supplied as a clear liquid in drum and IBC quantities suited to industrial procurement. It is available in food-grade and fragrance-grade specifications, with FCC grade material commonly requested for flavor applications. Purity levels of 98% and above are standard for flavor and fragrance end uses. Contact us for supply of Ethyl hexanoate Request Quote

Other Names (Synonyms)

n-Caproic acid ethyl ester | Hexanoic acid, ethyl ester | Ethyl n-hexanoate | Ethyl n-hexanoat | Ethyl hexoate | Ethyl hexanoate (caproate) | Ethyl ester of hexanoic acid

Key Technical Features

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

Physical Properties

Melting Point-67 °C
Boiling Point165.6 °C
Density0.83146 g/cm³ @ Temp: 70.00 °C
Flash Point121 °F
AppearanceCLEAR COLOURLESS LIQUID
ColorClear colorless
Odorat 1.00 % in dipropylene glycol. sweet fruity pineapple waxy green banana
FormLiquid
Water SolubilityINSOLUBLE
Vapor Pressure4hPa at 25℃
Refractive Indexn 20/D 1.407
Log P2.96 at 22.4℃

Safety & Handling

Warning
GHS02· FlammableGHS09· Environment

Hazard Statements

H226Flammable liquid and vapor
H401Toxic to aquatic life
H411Toxic to aquatic life with long lasting effects

Precautionary Statements

P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233Keep container tightly closed.
P240Ground and bond container and receiving equipment.
P241Use explosion-proof equipment.
P242Use non-sparking tools.
P243Take action to prevent static discharges.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P391Collect spillage.
P501Dispose of contents/container in accordance with local regulations.
P378Use … for extinction.
P235Store in a well-ventilated place. Keep cool.
P353IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.

Trade & Regulatory

HS Code29159000
UN Number3272
ADR Class3
Packing GroupIII
Storage Class3 - Flammable liquids
WGK (Germany)1