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Online Edition: "Specifications for Flavourings"

Flavouring gamma-Heptalactone
Synonym(s) Hepta-1,4-lactone
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4-Heptanolide;5-Propyldihydro-2(3H)-furanone
JECFA number 225
CAS number 105-21-5
FEMA number 2539
COE number 2253
FLAVIS number
Molecular weight 128.17
Chemical formula C7H12O2
Physical form/odour colourless, slightly oily liquid with a coconut, sweet, malty, caramel odour
Solubility miscible with alcohol and most fixed oils
Solubility in ethanol
Boiling point (°C) 61-62° (2 mmHg)
Assay min % 98%
Acid value max
Refractive index 1.439-1.445
Specific gravity 0.997-1.004 (20°)
Other requirements
ID Test IR