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Flavouring	1-Octen-3-yl butyrate
Synonym(s)	Butyric acid, 1-pentylallyl ester
Latest JECFA evaluation	2008 (Session 69)
Status of specification	Full
Chemical name	Butanoic acid, 1-ethenylhexyl ester
JECFA number	1837
CAS number	16491-54-6
FEMA number	3612
COE number	-
FLAVIS number	09.282
Molecular weight	198.31
Chemical formula	C₁₂H₂₂O₂
Physical form/odour	Colourless liquid; Sweet, fruity, buttery, mushroom aroma
Solubility	Insoluble in water; soluble in oils; slightly soluble in propylene glycol
Solubility in ethanol	Soluble
Boiling point (°C)	80-81 (3.5 mm Hg)
Assay min %	95
Acid value max	-
Refractive index	1.423-1.428
Specific gravity	0.870-0.879
Other requirements	-
ID Test	HNMR IR MS
Spectrum	http://www.fao.org/ag/agn/jecfa-flav/img/jecfa69/1837-hnmr.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa69/1837-ir.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa69/1837-ms.gif

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