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Online Edition: "Specifications for Flavourings"

Flavouring Methoxypyrazine
Synonym(s) 2-Methoxy-1,4-diazine;2-Methoxypyrazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Methoxypyrazine
JECFA number 787
CAS number 3149-28-8
FEMA number 3302
COE number 11447
FLAVIS number
Molecular weight 110.11
Chemical formula C5H6ON2
Physical form/odour colourless to light yellow liquid with a nutty, cocoa-like odour
Solubility miscible with water, organic solvents; soluble in oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 61-62° (29 mm Hg)
Assay min % 99%
Acid value max
Refractive index 1.492-1.510
Specific gravity 1.109-1.140
Other requirements
ID Test IR