Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring 4-Hydroxybutyric acid lactone
Synonym(s) gamma-Butyrolactone;Butyro-1,4-lactone
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name 4-Butanolide;Dihydro-2(3H)-furanone
JECFA number 219
CAS number 96-48-0
FEMA number 3291
COE number 615
FLAVIS number
Molecular weight 86.09
Chemical formula C4H6O2
Physical form/odour colourless to slightly yellow liquid with a faint, sweet, caramel-like odour
Solubility soluble in water; miscible with alcohol
Solubility in ethanol
Boiling point (°C) 204°
Assay min % 98.0%
Acid value max
Refractive index 1.434-1.454 (25°)
Specific gravity 1.120-1.130
Other requirements
ID Test IR