Butyl butyrate

Butyl butyrate, or butyl butanoate, is an organic compound that is an ester formed by the condensation of butyric acid and n-butanol. It is a clear, colorless liquid that is insoluble in water, but miscible with ethanol and diethyl ether. Its refractive index is 1.406 at 20 °C.

Butyl butyrate[1]
Ball-and-stick model of the butyl butyrate molecule
Names
Preferred IUPAC name
Butyl butanoate
Other names
Butyl butyrate
1-Butyl butyrate
n-Butyl butyrate
n-Butyl n-butyrate
Butanoic acid butyl ester
Butyric acid butyl ester
n-Butyl butanoate
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.325
EC Number
  • 203-656-8
RTECS number
  • ES8120000
UNII
UN number 3082
  • InChI=1S/C8H16O2/c1-3-5-7-10-8(9)6-4-2/h3-7H2,1-2H3 checkY
    Key: XUPYJHCZDLZNFP-UHFFFAOYSA-N checkY
  • InChI=1/C8H16O2/c1-3-5-7-10-8(9)6-4-2/h3-7H2,1-2H3
    Key: XUPYJHCZDLZNFP-UHFFFAOYAI
  • CCCC(=O)OCCCC
Properties
C8H16O2
Molar mass 144.214 g·mol−1
Density 0.8692 g/cm3 at 20 °C
Melting point −91.5 °C (−132.7 °F; 181.7 K)
Boiling point 165 °C (329 °F; 438 K)
insoluble
Hazards
GHS labelling:
GHS02: Flammable
Warning
H226
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond
1
2
0
Flash point 49 °C (120 °F; 322 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Aroma

Like other volatile esters, butyl butyrate has a pleasant aroma. It is used in the flavor industry to create sweet fruity flavors that are similar to that of pineapple. It occurs naturally in many kinds of fruit including apple, banana, berries, pear, plum, and strawberry.

Safety

It is a marine pollutant.[2] It mildly irritates the eyes and skin.[2]

References
  1. The Merck Index, 12th Edition, 1591
  2. BUTYL BUTYRATE, at the site cameochemicals.noaa.gov
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