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Online Edition: "Specifications for Flavourings"

Flavouring 2-Acetyl-3-methylpyrazine
Synonym(s) 2-Acetyl-3-methyl-1,4-diazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2-Acetyl-3-methylpyrazine
JECFA number 950
CAS number 23787-80-6
FEMA number
COE number 11296
FLAVIS number
Molecular weight 136.15
Chemical formula C7H8ON2
Physical form/odour colourless to light yellow liquid with a nutty, roasted grain, baked potato odour
Solubility soluble in water, organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 90° (20 mm Hg)
Assay min % 98%
Acid value max
Refractive index 1.521-1.523
Specific gravity 1.105-1.114
Other requirements
ID Test IR