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Online Edition: "Specifications for Flavourings"

Flavouring (E,Z)-4-Methylpent-2-enoic acid
Latest JECFA evaluation 2008 (Session 69)
Status of specification Full
Chemical name 4-Methyl-2-pentenoic acid
JECFA number 1818
CAS number 10321-71-8
FEMA number 4180
COE number
FLAVIS number 08.099
Molecular weight 114.14
Chemical formula C6H10O2
Physical form/odour Colourless liquid; Fatty fruity aroma
Solubility Slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 203-204°
Assay min % 98%
Acid value max
Refractive index 1.442-1.453
Specific gravity 0.950-0.960
Other requirements
ID Test MS