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Online Edition: "Specifications for Flavourings"

Flavouring Isobutanal propyleneglycol acetal
Synonym(s) 4-Methyl-2-(1-methylethyl)-1,3-dioxolane
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 2-Isopropyl-4-methyl-1,3-dioxolane
JECFA number 1748
CAS number 67879-60-1
FEMA number 4287
COE number
FLAVIS number
Molecular weight 130.19
Chemical formula C7H14O2
Physical form/odour Clear, colourless liquid; Penetrating, winey aroma
Solubility Insoluble in water; soluble in organic solvents
Solubility in ethanol Soluble
Boiling point (°C) 142-143°
Assay min % 96%
Acid value max 1
Refractive index 1.407-1.412
Specific gravity 0.903-0.909
Other requirements
ID Test HNMR IR MS
Spectrum