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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methylpyrazine
Synonym(s) 2-Methyl-1,4-diazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Methylpyrazine
JECFA number 761
CAS number 109-08-0
FEMA number 3309
COE number 2270
FLAVIS number
Molecular weight 94.12
Chemical formula C5H6N2
Physical form/odour colourless to slightly yellow liquid with a nutty, cocoa-like odour
Solubility soluble in water and oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 137°
Assay min % 98%
Acid value max
Refractive index 1.501-1.509
Specific gravity 1.007-1.033
Other requirements
ID Test IR