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, 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

Names
Preferred IUPAC name Pentyl butanoate
Other names Pentyl butyrate
Identifiers
CAS Number	540-18-1 Y
3D model (JSmol)	Interactive image
ChemSpider	10428 N
ECHA InfoCard	100.007.946
EC Number	208-739-2
PubChem CID	10890
UNII	3Q2JP0VD8J Y
CompTox Dashboard (EPA)	DTXSID4041604
InChI 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
SMILES CCCCCOC(=O)CCC
Properties
Chemical formula	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). N verify (what is YN ?) Infobox references