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Online Edition: "Specifications for Flavourings"

Flavouring 1-(p-Methoxyphenyl)-1-penten-3-one
Synonym(s) Ethone;p-Methoxystyryl ethyl ketone;alpha-Methylanisalacetone;alpha-Methyl anisylidene acetone
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 1-(4-Methoxyphenyl)-1-penten-3-one
JECFA number 826
CAS number 104-27-8
FEMA number 2673
COE number 164
FLAVIS number
Molecular weight 190.24
Chemical formula C12H14O2
Physical form/odour white to pale yellow crystals with a sweet, buttery, caramellic odour
Solubility insoluble in water, soluble in organic solvents, oils
Solubility in ethanol very soluble
Boiling point (°C) 278°; 74° (10 mm Hg)
Assay min % 98%
Acid value max
Refractive index NA
Specific gravity NA
Other requirements mp: 60°
ID Test IR