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Online Edition: "Specifications for Flavourings"

Flavouring 6-Hydroxy-3,7-dimethyloctanoic acid lactone
Synonym(s) 3,7-Dimethylocta-1,6-lactone
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 3,7-Dimethyl-6-octanolide;4-Methyl-7-(1-methylethyl)-2-oxooxacycloheptane
JECFA number 237
CAS number 499-54-7
FEMA number 3355
COE number 11833
FLAVIS number 10.027
Molecular weight 170.25
Chemical formula C10H18O2
Physical form/odour colourless, low-melting solid with a maple syrup or brown sugar odour
Solubility very soluble in water and soluble in alcohol
Solubility in ethanol
Boiling point (°C)
Assay min % 90%
Acid value max
Refractive index 1.457-1.461
Specific gravity 0.966-0.973
Other requirements mp 31-35°; SC: 6-Hydroxy-3,7-dimethyl-2-octenoic acid lactone
ID Test IR