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Online Edition: "Specifications for Flavourings"

Flavouring Butyl propionate
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Butyl propanoate
JECFA number 143
CAS number 590-01-2
FEMA number 2211
COE number 405
FLAVIS number
Molecular weight 130.18
Chemical formula C7H14O2
Physical form/odour colourless to pale yellow liquid with an earthy, faintly sweet odour
Solubility miscible with alcohol, ether; slightly soluble in water
Solubility in ethanol
Boiling point (°C) 145-146°
Assay min % 96.0%
Acid value max 1
Refractive index 1.3975-1.4045
Specific gravity 0.868-0.8825
Other requirements
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