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Online Edition: "Specifications for Flavourings"


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Flavouring gamma-Octalactone
Synonym(s) Octa-1,4-lactone
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 5-Butyldihydro-2(3H)-furanone
4-Octanolide
JECFA number 226
CAS number 104-50-7  
FEMA number 2796
COE number 2274
FLAVIS number -
Molecular weight 142.2 
Chemical formula C8H14O2  
Physical form/odour colourless to slightly yellow liquid with a sweet, coconut, fruity odour 
Solubility soluble in alcohol and slightly soluble in water 
Solubility in ethanol -
Boiling point (°C) 234
Assay min % 95
Acid value max 8.0
Refractive index 1.443-1.447
Specific gravity 0.970-0.980
Other requirements -
ID Test IR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/226.gif



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