Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring 2,3-Diethyl-5-methylpyrazine
Synonym(s) 2,3-Diethyl-5-methyl-1,4-diazine;2-Methyl-5,6-diethylpyrazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2,3-Diethyl-5-methylpyrazine
JECFA number 777
CAS number 18138-04-0
FEMA number 3336
COE number 11303
FLAVIS number
Molecular weight 150.22
Chemical formula C9H14N2
Physical form/odour colourless to light yellow liquid with a nutty, roasted, vegetable odour
Solubility moderately soluble in water; soluble in oils, organic solvents
Solubility in ethanol miscible at room temperature
Boiling point (°C) 203°
Assay min % 98%
Acid value max
Refractive index 1.493-1.505
Specific gravity 0.938-0.957
Other requirements
ID Test IR