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Online Edition: "Specifications for Flavourings"

Flavouring Vanillin isobutyrate
Synonym(s) 4-Hydroxy-m-anisaldehyde 2-methyl propionate;4-Hydroxy-3-methoxybenzaldehyde
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 4-Formyl-2-methoxyphenyl-2-methylpropanoate
JECFA number 891
CAS number 20665-85-4
FEMA number 3754
COE number
FLAVIS number
Molecular weight 222.24
Chemical formula C12H14O4
Physical form/odour colourless liquid with a heavy, sweet, creamy, vanilla-nutmeg odour
Solubility insoluble in water; soluble in organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 130-132° (2 mm Hg)
Assay min % 98%
Acid value max 2
Refractive index 1.522-1.526
Specific gravity 1.110-1.136
Other requirements
ID Test IR