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Online Edition: "Specifications for Flavourings"

Flavouring 2-Phenylpropionaldehyde dimethyl acetal
Synonym(s) 2-Phenylpropanal dimethyl acetal;alpha-Methylphenacetaldehyde dimethyl acetal
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 1,1-Dimethoxy-2-phenylpropane
JECFA number 1468
CAS number 90-87-9
FEMA number 2888
COE number
FLAVIS number 06.030
Molecular weight 180.25
Chemical formula C11H16O2
Physical form/odour Colourless to slightly yellow liquid; Strong, warm, spicy aroma reminiscent of walnut
Solubility Soluble in ether; Insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 240-241°
Assay min % 95%
Acid value max 1
Refractive index 1.492-1.497
Specific gravity 0.989-0.994
Other requirements
ID Test IR