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Online Edition: "Specifications for Flavourings"

Flavouring 2,3,5-Trimethylpyrazine
Synonym(s) 2,3,5-Trimethyl-1,4-diazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Trimethylpyrazine
JECFA number 774
CAS number 14667-55-1
FEMA number 3244
COE number 735
FLAVIS number
Molecular weight 122.17
Chemical formula C7H10N2
Physical form/odour colourless to slightly yellow liquid with a roasted nut, baked potato odour
Solubility soluble in water, oils, organic solvents
Solubility in ethanol miscible at room temperature
Boiling point (°C) 171°
Assay min % 98%
Acid value max
Refractive index 1.500-1.509
Specific gravity 0.960-0.990
Other requirements
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