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Online Edition: "Specifications for Flavourings"

Flavouring 4-(p-Hydroxyphenyl)-2-butanone
Synonym(s) 1-p-Hydroxyphenyl-3-butanone;Rastone;p-Hydroxybenzylacetone;Oxyphenylon;Raspberry ketone;Oxanone
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4-(4-Hydroxyphenyl)butan-2-one
JECFA number 728
CAS number 5471-51-2
FEMA number 2588
COE number 755
FLAVIS number
Molecular weight 164.2
Chemical formula C10H12O2
Physical form/odour White needle like crystals or granule crystalline material with sweet fruity, warm odour resembling raspberry preserve
Solubility insoluble in water; soluble in oils
Solubility in ethanol moderately soluble
Boiling point (°C) decomposes
Assay min % 96%
Acid value max
Refractive index NA
Specific gravity NA
Other requirements mp: 80° (minimum)
ID Test IR