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Flavouring 2,5-Diethyl-3-methylpyrazine
Synonym(s) 2,5-Diethyl-3-methyl-1,4-diazine
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2,5-Diethyl-3-methylpyrazine
JECFA number 778
CAS number 32736-91-7  
FEMA number 3915
COE number 11304
FLAVIS number -
Molecular weight 150.22 
Chemical formula C9H14N2  
Physical form/odour colourless to light yellow liquid with a toasted hazelnut, meaty odour 
Solubility moderately soluble in water; soluble in oils, organic solvents 
Solubility in ethanol miscible at room temperature 
Boiling point (°C) 95 (14 mm Hg)
Assay min % 97
Acid value max -
Refractive index 1.4922-1.5022
Specific gravity 0.944-0.954
Other requirements -
ID Test NMR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/778.gif



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