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Online Edition: "Specifications for Flavourings"

Flavouring 2-Oxo-3-phenylpropionic acid
Synonym(s) 3-Phenyl-2-oxopropanoic acid;3-Phenylpyruvic acid
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 2-Oxo-3-phenylpropionic acid
JECFA number 1478
CAS number 156-06-9
FEMA number 3892
COE number
FLAVIS number 08.109
Molecular weight 164.16
Chemical formula C9H8O3
Physical form/odour White crystalline powder
Solubility Soluble in water
Solubility in ethanol Soluble
Boiling point (°C)
Assay min % 98%
Acid value max
Refractive index
Specific gravity
Other requirements mp: 158-160°