Pentyl butyrate

Pentyl butyrate, also known as pentyl butanoate or amyl butyrate, is an ester that is formed when pentanol is reacted with butyric acid,[1] usually in the presence of sulfuric acid as a catalyst. This ester has a smell reminiscent of pear or apricot. This chemical is used as an additive in cigarettes.

Pentyl butyrate
Pentyl butyrate
Names
Preferred IUPAC name
Pentyl butanoate
Other names
Pentyl butyrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.946
EC Number
  • 208-739-2
UNII
  • InChI=1S/C9H18O2/c1-3-5-6-8-11-9(10)7-4-2/h3-8H2,1-2H3 ☒N
    Key: CFNJLPHOBMVMNS-UHFFFAOYSA-N ☒N
  • InChI=1/C9H18O2/c1-3-5-6-8-11-9(10)7-4-2/h3-8H2,1-2H3
    Key: CFNJLPHOBMVMNS-UHFFFAOYAQ
  • CCCCCOC(=O)CCC
Properties
C9H18O2
Molar mass 158.24 g/mol
Odor Apricot
Density 0.86 g/cm3
Melting point −73.2 °C (−99.8 °F; 200.0 K)
Boiling point 186 °C (367 °F; 459 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References
  1. N-AMYL BUTYRATE, Cameo Chemicals, National Oceanic and Atmospheric Administration
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