Trimethyl-pyrazine Information
| Chemical Name | Trimethyl-pyrazine |
| Other Name | 2,3,5-TriMethylpyrazine |
| CAS | 14667-55-1 |
| EINECS | C7H10N2 |
| Type | Synthetic fragrance |
| Molecular Formula | C7H10N2 |
| Molecular Weight | 122.17 |
Trimethyl-pyrazine Uses
2,3,5-Trimethylpyrazine is a colorless to pale yellow transparent liquid that is insoluble in water but miscible with common organic solvents.
Food additives: 2,3,5-Trimethylpyrazine is often used as a food additive, mainly for the preparation of flavors and flavors of baked foods such as coffee, cocoa, chocolate, peanuts, sesame oil, etc. In addition, it is also used in seasonings, chewing gum, tobacco, etc.
Spice: Due to its special aromatic taste, this compound is often used in the manufacture of perfumes and air fresheners.
Organic synthesis: In organic chemistry, 2,3,5-trimethylpyrazine can be used as an organic synthesis intermediate and participate in the synthesis of functional organic molecules.
Trimethyl-pyrazine Properties
| Melting point | 156 °C |
| Boiling Point | 171-172 °C |
| Density | 0.979 g/mL at 25 °C |
| FEMA | 3244 | 2,3,5-TRIMETHYLPYRAZINE |
| pKa | 2.69±0.10 |
| Odor | Roasted aroma, reminiscent of coffee and cocoa |
| LogP | 1.10 |
| Fragrance | nutty |
Safety and storage conditions
The compound can be stored at room temperature, but should be kept away from moisture and heat. During storage, it should be kept ventilated and dry to avoid contact with oxides.
