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Online Edition: "Specifications for Flavourings"

Flavouring 2,4-Dimethyl-1,3-dioxolane
Synonym(s) Acetaldehyde cyclic propylene acetal;Propylene acetal
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 2,4-Dimethyl-1,3-dioxolane
JECFA number 1711
CAS number 544550
FEMA number 4099
COE number
FLAVIS number
Molecular weight 102.13
Chemical formula C5H10O2
Physical form/odour Colourless liquid; Dairy aroma with fruity overtones
Solubility Slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 100-101°
Assay min % 95%
Acid value max 1
Refractive index 1.390-1.401
Specific gravity 0.921-0.928
Other requirements