2-Methyl pyrazine KOSHERK CAS No. 109-08-0 FEMA: 3309 Molecular formula: C5H6N2 Molecular weight: 94.12 Appearance: colorless to pale yellow liquid Quality technical standards: Content: ≥99.0% Relative density (25/25 ° C): 1.010 ~ 1.030 Refractive index (20 ° C): 1.504 ~ 1.506 Water: ≤0.5% Aroma characteristics: baking, coffee, fried peanuts Boiling point: 137 ° C Flash point: 50 ° C Melting point: -29 ° C COE: 2270 China Code: S0710 Adaptation range: baked goods, cold drinks, tobacco Recommended dosage (PPm): 1-10