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Online Edition: "Specifications for Flavourings"

Flavouring Acetanisole
Synonym(s) Methyl 4-methoxyphenyl ketone;4-Acetylanisole;4-Methoxyacetophenone;p-Acetylanisole;p-Methoxyacetophenone
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 1-(4-Methoxyphenyl)ethanone
JECFA number 810
CAS number 100-06-1
FEMA number 2005
COE number 570
FLAVIS number
Molecular weight 150.18
Chemical formula C9H10O2
Physical form/odour colourless to pale yellow fused solid with a floral, powdery, vanillic, balsamic odour
Solubility insoluble in water; soluble in organic solvents, oils
Solubility in ethanol very soluble
Boiling point (°C) 153° (26 mm Hg)
Assay min % 97% (sum of o,m,p- isomers)
Acid value max
Refractive index NA
Specific gravity NA
Other requirements mp: 36-38°
ID Test IR