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Online Edition: "Specifications for Flavourings"

Flavouring 2-Ethyl-3-methylpyrazine
Synonym(s) 2-Ethyl-3-methyl-1,4-diazine;2-Methyl-3-ethylpyrazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2-Ethyl-3-methylpyrazine
JECFA number 768
CAS number 15707-23-0
FEMA number 3155
COE number 548
FLAVIS number
Molecular weight 122.17
Chemical formula C7H10N2
Physical form/odour colourless to slightly yellow liquid with a strong raw potato odour
Solubility soluble in water, organic solvents
Solubility in ethanol miscible at room temperature
Boiling point (°C) 57° (10 mm Hg)
Assay min % 97% (sum of 2,3- 2,5- and 2,6-isomers)
Acid value max
Refractive index 1.499-1.509
Specific gravity 0.972-0.993
Other requirements
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