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Online Edition: "Specifications for Flavourings"

Flavouring 3-(p-Isopropylphenyl) propionaldehyde
Synonym(s) p-Cuminylpropanal;p-Isopropylhydrocinnamaldehyde;3-(p-Cumenyl)propionaldehyde;Cuminylacetaldehyde
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 3-(p-Cumenyl)propionaldehyde
JECFA number 680
CAS number 7775-00-0
FEMA number 2957
COE number 2261
FLAVIS number
Molecular weight 176.26
Chemical formula C12H16O
Physical form/odour Colourless to pale yellow liquid, strong floral odour
Solubility insoluble in water; soluble in oils
Solubility in ethanol miscible
Boiling point (°C) 270°
Assay min % 90% (min. 95% combined o- and p- isomers)
Acid value max 5
Refractive index 1.503-1.508
Specific gravity 0.946-0.952
Other requirements
ID Test MS