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Online Edition: "Specifications for Flavourings"

Flavouring 4-(p-Tolyl)-2-butanone
Synonym(s) p-Methylbenzylacetone
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 4-(4-Methylphenyl)-2-butanone
JECFA number 817
CAS number 7774-79-0
FEMA number 3074
COE number 160
FLAVIS number
Molecular weight 162.23
Chemical formula C11H14O
Physical form/odour colourless oily liquid with a sweet, fruity-floral odour
Solubility insoluble in water; soluble in organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 251°
Assay min % 96%
Acid value max
Refractive index 1.503-1.508
Specific gravity 0.981-0.988
Other requirements
ID Test CNMR HNMR
Spectrum