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Online Edition: "Specifications for Flavourings"

Flavouring alpha-Isobutylphenethyl alcohol
Synonym(s) Benzylisoamyl acetone;Isobutyl benzyl carbinol;Benzyl isobutyl carbinol;2-Methyl propyl benzyl carbinol
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 4-Methyl-1-phenyl-2-pentanol
JECFA number 827
CAS number 7779-78-4
FEMA number 2208
COE number 2031
FLAVIS number
Molecular weight 178.28
Chemical formula C12H18O
Physical form/odour colourless slightly oily liquid with a green-floral, fresh, slightly sweet odour
Solubility insoluble in water; soluble in organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 250°
Assay min % 96%
Acid value max
Refractive index 1.500-1.510
Specific gravity 0.940-0.949
Other requirements
ID Test IR