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Online Edition: "Specifications for Flavourings"

Flavouring Ethyl 2-hexenoate (mixture of isomers)
Latest JECFA evaluation 2012 (Session 76)
Status of specification Full
Chemical name Mixture of (E)-ethyl 2-hexenoate and (Z)-ethyl 2-hexenoate
JECFA number 2167
CAS number 1552-67-6
FEMA number 4613
COE number
FLAVIS number
Molecular weight 142.2
Chemical formula C8H14O2
Physical form/odour Clear colourless liquid; fruity aroma
Solubility Practically insoluble to insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 167-174º
Assay min % 95%
Acid value max
Refractive index 1.430-1.440
Specific gravity 0.895-0.905 (20º)
Other requirements Mixture of isomers: 64% E, 34% Z
ID Test MS