2,3-Dimethyl pyrazine; 2.3-dimethyl-1.4-diazine CAS 5910-89-4 Appearance: Colorless to pale yellow clear liquid Odor: roasted coffee, milk, meat. Content (GC): 99% min Use: Food Flavor, Tobacco Flavor Application: This product is widely used in roasted food,nuts,diary products,meat,tobaco. Suggested dose: 1-10 ppm Packing: well sealed Aluminum bottle . Net Weight: 1000g. Storage: Stabilized with 0.1% BHT. Stored in a cool, dry,light-free place, in full, tightly sealed containers. In drum covered with nitrogen. When stored for more than 6 months, quality should be checked before use. Flavouring 2,3-Dimethylpyrazine Synonym(s) 2,3-Dimethyl-1,4-diazine Latest JECFA evaluation 2001 (Session 57) Status of specification Full Chemical name 2,3-Dimethylpyrazine JECFA number 765 CAS number 5910-89-4 FEMA number 3271 COE number 11323 FLAVIS number - Molecular weight 108.14 Chemical formula C6H8N2 Physical form/odour colourless to light yellow liquid with a nutty, cocoa-like odour Solubility soluble in water, organic solvents, oils Solubility in ethanol miscible at room temperature Boiling point (°C) 156° Assay min % 95% (sum of 2,3- 2,5- and 2,6-isomers) Acid value max - Refractive index 1.501-1.510 Specific gravity 0.997-1.030