2, 5 - dimethyl pyrazine CAS: 123-32-0 FEMA: 3272 Synonyms: 2, 5 - dimethyl to mixed benzene 2 n Molecular formula: C6H8N2 Formula: ??????? Quality and technical standard: Aroma: baked potatoes. Appearance: colorless to pale yellow liquid. Content (gas chromatography) : 99% or greater Refractive index (@ 200 c) : 1.502 Relative density (@ 200 40 c/c) : 0.99 Flash point: 64 ℃ USES: Is mainly used for baking food, nuts food, cool drink Suggested usage: 2-4 PPM Packing: sealing good aluminum. Net weight: 1000 g. Storage: Add 0.1% of butylated hydroxytoluene as stabilizer, stored in a cool and dry place, inside space under the security permission as small as possible, and nitrogen protection.When stored more than 6 months, need to confirm the quality of the product before use