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Online Edition: "Specifications for Flavourings"

Flavouring alpha-Methylcinnamaldehyde
Synonym(s) alpha-Methylcinnamic aldehyde;alpha-Methylcinnamyl aldehyde;3-Phenyl-2-methylacrolein
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name alpha-Methylcinnamaldehyde
JECFA number 683
CAS number 101-39-3
FEMA number 2697
COE number 578
FLAVIS number
Molecular weight 146.19
Chemical formula C10H10O
Physical form/odour Yellow liquid, cinnamon-like odour
Solubility insoluble in water; soluble in oils
Solubility in ethanol miscible
Boiling point (°C) 148° (27 mm Hg)
Assay min % 95%
Acid value max 5
Refractive index 1.598-1.607
Specific gravity 1.034-1.040
Other requirements
ID Test IR