Food safety and quality: details

Flavouring	Mixture of Isopropylideneglyceryl 5-hydroxydecanoate and delta-Decalactone (Safety evaluation not completed)
Synonym(s)	Decanoic acid, 5-hydroxy-, (2,2-dimethyl-1,3-dioxolan-4-yl)methyl ester
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	Mixture of (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 5-hydroxydecanoate and 6-pentyltetrahydro-2H-pyran-2-one
JECFA number	1988
CAS number	172201-58-0;705-86-2
FEMA number	4611
COE number
FLAVIS number
Molecular weight	302.41
Chemical formula	C16H30O5
Physical form/odour	Colourless to slightly yellow clear liquid; Sweet fatty peach-like aroma
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	160-162° (10 mm Hg)
Assay min %	73% (mixture)
Acid value max
Refractive index	1.449-1.459
Specific gravity	1.006-1.026 (20°)
Other requirements	Safety evaluation not completed; 73% mixture (25% Isopropylideneglyceryl 5-hydroxydecanoate and 47-49% delta-Decalactone); SC: 22-24% 2,2-Dimethyl-1,3-dioxolane-4-methanol; 1-5% 2-Propyl 5-hydroxydecanoate
ID Test	HNMR MS
Spectrum