Pentyl butyrate

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Pentyl butyrate
IUPAC name	Pentyl butanoate
Identifiers
CAS number	[540-18-1]
SMILES	CCCCCOC(=O)CCC
Properties
Molecular formula	C9H18O2
Molar mass	158.24 g/mol
Density	0.86 g/cm³
Melting point	-73.2 °C
Boiling point	186 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Pentyl butyrate, also known as pentyl butanoate or amyl butyrate, is an ester that is formed when pentanol is reacted with butyric acid, 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.

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