Food safety and quality: details

Flavouring	Isovaleraldehyde glyceryl acetal
Synonym(s)
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	4-Hydroxymethyl-2-(2-methylpropyl)-1,3-dioxolane and 5-Hydroxy-2-(2-methylpropyl)-1,3-dioxane
JECFA number	1733
CAS number	54355-74-7
FEMA number	4380
COE number
FLAVIS number
Molecular weight	160.21
Chemical formula	C8H16O3
Physical form/odour	Clear, colourless liquid; Fruity, fatty aroma
Solubility	Insoluble in water; soluble in organic solvents
Solubility in ethanol	Soluble
Boiling point (°C)	238-239°
Assay min %	98% (sum of two components)
Acid value max	1
Refractive index	1.443-1.450
Specific gravity	1.024-1.031
Other requirements	Contains 67-69% 4-Hydroxymethyl-2-(2-methylpropyl)-1,3-dioxolane and 28-30% 5-Hydroxy-2-(2-methylpropyl)-1,3-dioxane
ID Test	HNMR IR MS
Spectrum