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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methyltetrahydrofuran-3-one
Synonym(s) Dihydro-2-methyl-3(2H)-furanone;2-Methyl-2H-furan-3-one;2-Methyl-3-oxotetrahydrofuran;2-Methyl-3-ketotetrahydrofuran
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 4,5-Dihyro-2-methylfuran-3(2H)-one
JECFA number 1448
CAS number 3188-00-9
FEMA number 3373
COE number
FLAVIS number 13.042
Molecular weight 100.12
Chemical formula C5H8O2
Physical form/odour Colourless liquid; Wintergreen-like aroma
Solubility Slightly soluble in oils
Solubility in ethanol Soluble
Boiling point (°C) 139°
Assay min % 97%
Acid value max 1
Refractive index 1.534-1.537
Specific gravity 1.180-1.185
Other requirements