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Online Edition: "Specifications for Flavourings"

Flavouring 4-Pentenoic acid
Synonym(s) Allyl acetic acid
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name Pent-4-enoic Acid
JECFA number 314
CAS number 591-80-0
FEMA number 2843
COE number 2004
FLAVIS number
Molecular weight 100.12
Chemical formula C5H8O2
Physical form/odour colourless liquid with a cheese-like odour
Solubility slightly soluble in water; soluble in alcohol and ether
Solubility in ethanol
Boiling point (°C) 188-189°
Assay min % 97.0%
Acid value max
Refractive index 1.425-1.431
Specific gravity 0.970-0.990 (20°)
Other requirements
ID Test IR