Food safety and quality: details

Flavouring	(-)-Menthone 1,2-glycerol ketal
Synonym(s)	Frescolat, Type MGA
Latest JECFA evaluation	1998 (Session 51)
Status of specification	Full
Information required
Chemical name	1,4-Dioxaspiro[4,5]decane-2-menthanol
JECFA number	445
CAS number	63187-91-7
FEMA number	3807
COE number
FLAVIS number
Molecular weight	228.33
Chemical formula	C13H24O3
Physical form/odour	clear colourless viscous liquid
Solubility	soluble in water, olive oil <15% and almond oil 1% w/w
Solubility in ethanol
Boiling point (°C)	138-142°
Assay min %	98.0%
Acid value max	0.2
Refractive index	1.475
Specific gravity	1.0306
Other requirements	Optical rotation: - 24.6°
ID Test	IR
Spectrum