Detailed Product Description Pyrazine Synonyms1,4-DiazineAppearanceWhite crystalCAS No.290-37-9Molecular formulaC4H4N2AssayGC,%≥99Water (%):≤0.5Melting point(°C)54-56Boiling point(°C)115-116Density1.031Packing200kgs/ironUsageIntermediates for medicine, flavor and essence.