Ethyl Butyrate

Title: Ethyl Butyrate
CAS Registry Number: 105-54-4
CAS Name: Butanoic acid ethyl ester
Additional Names: butyric acid ethyl ester; ethyl n-butyrate
Molecular Formula: C6H12O2
Molecular Weight: 116.16
Percent Composition: C 62.04%, H 10.41%, O 27.55%
Line Formula: CH3CH2CH2COOC2H5
Literature References: Toxicity data: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964).
Properties: Colorless liq; pineapple odor. d420 0.879. bp 120-121°. mp -93°. nD20 1.400. Flash pt, closed cup: 78°F (25°C); open cup: 85°F (29°C). Sol in about 150 parts water; misc with alcohol, ether. LD50 orally in rats: 13,050 mg/kg (Jenner).
Melting point: mp -93°
Boiling point: bp 120-121°
Flash point: Flash pt, closed cup: 78°F (25°C); open cup: 85°F (29°C)
Index of refraction: nD20 1.400
Density: d420 0.879
Toxicity data: LD50 orally in rats: 13,050 mg/kg (Jenner)
Use: Manuf artificial rum; perfumery; the alcoholic soln constitutes the so-called "pineapple oil".
Ethyl Caprate Ethyl Caproate Ethyl Caprylate Ethyl Carbonate Ethyl Cellulose

Ethyl butyrate
Ethyl butyrate2.svg
Ethyl butyrate-3D.png
CAS number 105-54-4 YesY
PubChem 7762
ChemSpider 7475 YesY
EC number 203-306-4
Jmol-3D images Image 1
Molecular formula C6H12O2
Molar mass 116.16 g mol−1
Appearance Colorless liquid with fruity odor (typically pineapple)
Density 0.879 g/cm3
Melting point −93 °C; −135 °F; 180 K
Boiling point 120 to 121 °C; 248 to 250 °F; 393 to 394 K
Solubility in water Soluble in 150 parts
Vapor pressure 1510 Pa (11.3 mm Hg)
MSDS External MSDS
R-phrases R10 R36/37/38
S-phrases S16 S26 S36
Main hazards Irritant (Xi)
NFPA 704
NFPA 704.svg
Flash point 78 °F (26 °C) c.c.
Autoignition temperature 463 °C; 865 °F; 736 K
LD50 13050 mg/kg (oral, rat)[1]
Supplementary data page
Structure and
n, εr, etc.
Phase behaviour
Solid, liquid, gas
Spectral data UV, IR, NMR, MS
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Ethyl butyrate, also known as ethyl butanoate, or butyric ether, is an ester with the chemical formula CH3CH2CH2COOCH2CH3. It is soluble in propylene glycol, paraffin oil, and kerosene. It has a fruity odor, similar to pineapple.[1]