Food safety and quality: details

Flavouring	Isovaleraldehyde propyleneglycol acetal
Synonym(s)	4-Methyl-2-(2-methylpropyl)-1,3-dioxolane
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	2-Isobutyl-4-methyl-1,3-dioxolane
JECFA number	1732
CAS number	18433-93-7
FEMA number	4286
COE number
FLAVIS number
Molecular weight	144.21
Chemical formula	C8H16O2
Physical form/odour	Clear, colourless liquid; Fruity, slightly fatty aroma
Solubility	Insoluble in water; soluble in organic solvents
Solubility in ethanol	Soluble
Boiling point (°C)	164-165°
Assay min %	95%
Acid value max	1
Refractive index	1.412-1.420
Specific gravity	0.895-0.902
Other requirements
ID Test	HNMR IR MS
Spectrum