Food safety and quality: details

Flavouring	2,3-Epoxyheptanal
Synonym(s)
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	(2S,3R)-3-Butyloxirane-2-carbaldehyde
JECFA number	2148
CAS number	58936-30-4
FEMA number	4658
COE number
FLAVIS number
Molecular weight	128.17
Chemical formula	C7H12O2
Physical form/odour	Colourless to pale yellow liquid; fatty citrus aroma
Solubility	Practically insoluble to insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	60º (9 mm Hg)
Assay min %	94%
Acid value max
Refractive index	1.427-1.437
Specific gravity	0.938-0.948 (20º)
Other requirements	Safety evaluation not completed; SC: 2-3% trans-2-heptenal
ID Test	MS HNMR
Spectrum