Acetylpyrazine
Chemical compound
From Wikipedia, the free encyclopedia
Acetylpyrazine is an organic compound with the chemical formula C
6H
6N
2O. It is a yellow-brown powder at room temperature.[2] Chemically, acetylpyrazine is a pyrazine and a ketone.[1]
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| Names | |
|---|---|
| Preferred IUPAC name
1-(Pyrazin-2-yl)ethan-1-one | |
| Other names
2-Acetylpyrazine | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.040.670 |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C6H6N2O | |
| Molar mass | 122.127 g·mol−1 |
| Appearance | Yellow-brown powder |
| Melting point | 75–78 °C (167–172 °F; 348–351 K)[1] |
| Boiling point | 78–79 °C (172–174 °F; 351–352 K) (8 mmHg)[2] |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Irritant |
| Safety data sheet (SDS) | External MSDS |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Natural occurrence
Uses
It is used in frozen dairy products such as ice cream.
It is considered generally recognized as safe by the U.S. Food and Drug Administration.[3]
"Essence formula for increasing cigarette fragrance and improving smoke quality".[4]
It is also known to be part of the formulation of e-cigarettes (vapes):[5]
Synthesis
Note that modern synthesis is for 2-cyanopyrazine from 2-methylpyrazine [109-08-0].[6][7]
Pyrazinamide [98-96-4] (1) 2-Cyanopyrazine [19847-12-2] (2)
More modern syntheses have also been reported in recent years:[10][11][12]