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Online Edition: "Specifications for Flavourings"

Flavouring 2,3-Dimethylpyrazine
Synonym(s) 2,3-Dimethyl-1,4-diazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2,3-Dimethylpyrazine
JECFA number 765
CAS number 5910-89-4
FEMA number 3271
COE number 11323
FLAVIS number
Molecular weight 108.14
Chemical formula C6H8N2
Physical form/odour colourless to light yellow liquid with a nutty, cocoa-like odour
Solubility soluble in water, organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 156°
Assay min % 95% (sum of 2,3- 2,5- and 2,6-isomers)
Acid value max
Refractive index 1.501-1.510
Specific gravity 0.997-1.030
Other requirements
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