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Online Edition: "Specifications for Flavourings"

Flavouring Pyruvic acid
Synonym(s) 2-Ketopropionic acid;Acetylformic acid;Pyroracemic acid
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2-Oxopropanoic acid
JECFA number 936
CAS number 127-17-3
FEMA number 2970
COE number 19
FLAVIS number
Molecular weight 88.06
Chemical formula C3H4O3
Physical form/odour colourless to amber viscous liquid with a sour vinegar-like odour
Solubility miscible with water; soluble in organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 164°
Assay min % 95%
Acid value max
Refractive index 1.424-1.435
Specific gravity 1.260-1.281
Other requirements mp: 13°
ID Test IR