Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring 4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one
Synonym(s) 2,3-Dimethyl-4-hydroxy-2,5-dihydrofuran-5-one
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 2-Hydroxy-3-methyl-2-penten-4-olide;3-Hydroxy-4,5-dimethyl-2(5)-furanone
JECFA number 243
CAS number 28664-35-9
FEMA number 3634
COE number
FLAVIS number
Molecular weight 128.13
Chemical formula C6H8O3
Physical form/odour clear, yellow liquid
Solubility in ethanol
Boiling point (°C) 81° (6 mm Hg)
Assay min % 97.5%
Acid value max
Refractive index
Specific gravity
Other requirements Melting point c.25°
ID Test IR