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Online Edition: "Specifications for Flavourings"

Flavouring cis-5-Octenoic acid
Synonym(s) (Z)-5-Octenoic acid
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 5(Z)-Octenoic acid
JECFA number 1631
CAS number 41653-97-8
FEMA number 4350
COE number
FLAVIS number
Molecular weight 142.2
Chemical formula C8H14O2
Physical form/odour Colourless liquid; Fatty, greasy aroma
Solubility Slightly soluble in water;soluble in most organic solvents
Solubility in ethanol Soluble
Boiling point (°C) 239-241°
Assay min % 95%
Acid value max
Refractive index 1.444-1.450
Specific gravity 0.955-0.971
Other requirements
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