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Online Edition: "Specifications for Flavourings"

Flavouring 2,5-Dimethyl-4-methoxy-3(2H)-furanone
Synonym(s) 2,5-Dimethyl-4-methoxy-2,3-dihydro-3-furanone;4-Methoxy-2,5-dimethyl-3(2H)-furanone;Mesifuran;2,5-Dimethyl-4-methyoxy-2H-furan-3-one
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2,5-Dimethyl-4-methoxyfuran-3(2H)-one
JECFA number 1451
CAS number 4077-47-8
FEMA number 3664
COE number
FLAVIS number 13.089
Molecular weight 142.15
Chemical formula C7H10O3
Physical form/odour Colourless liquid; Sweet, carmellic, burnt sugar, aroma
Solubility Soluble in fats; Insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 61-63° (0.3 mm Hg)
Assay min % 97%
Acid value max 3
Refractive index 1.475-1.481
Specific gravity 1.091-1.097
Other requirements