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Online Edition: "Specifications for Flavourings"

Flavouring 2-Ethyl-4-hydroxy-5-methyl-3(2H)-furanone
Synonym(s) 4-Hydroxy-2-methyl-5-ethyl-2,3-dihydrofur-3-one;Homofuraneol;2-Ethyl-5-methyl-4,5-dihydrofuran-3-ol-4-one;2-Methyl-4-hydroxy-5-ethylfuran-3-one
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2-Ethyl-4-hydroxy-5-methyl-3(2H)-furanone
JECFA number 1449
CAS number 27538-09-6
FEMA number 3623
COE number
FLAVIS number 13.084
Molecular weight 142.15
Chemical formula C7H10O3
Physical form/odour Yellow liquid; Sweet fruity caramel, butter scotch aroma
Solubility Soluble in water; Insoluble in fats
Solubility in ethanol Soluble
Boiling point (°C) 103° (15 mm Hg)
Assay min % 96%
Acid value max 4
Refractive index 1.509-1.514
Specific gravity 1.133-1.143
Other requirements
ID Test HNMR IR
Spectrum