... yellow liquid purity: 99% falor ingrdient in food industry 2-Ethyl-3 (5 or 6)-dimethylpyrazinecolourless to slightly yellow liquidpurity: ... , reminiscent of roasted cocoa or nuts. Pyrazines, including 2-ethyl-3,(5 or 6)-dimethylpyrazine, are widely distributed in ... in cooked food Chemical nameMixture of 2-Ethyl-3,5-dimethylpyrazine and 3-Ethyl-2,5-dimethylpyrazineJECFA number775CAS number13925-07-0 ...