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Online Edition: "Specifications for Flavourings"

Flavouring 2-Pentyl butyrate
Synonym(s) 2-Pentyl butanoate
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 1-Methylbutyl butyrate
JECFA number 1142
CAS number 60415-61-4
FEMA number 3893
COE number 10763
FLAVIS number
Molecular weight 158.24
Chemical formula C9H18O2
Physical form/odour Colourless liquid; strong penetrating odour
Solubility insoluble in water; 50% soluble in heptane or triacetin
Solubility in ethanol 50% soluble in ethanol
Boiling point (°C) 185-186°
Assay min % 99%
Acid value max 2
Refractive index 1.409-1.415
Specific gravity 0.862-0.868
Other requirements
ID Test MS IR NMR
Spectrum