Names | |
---|---|
Preferred IUPAC name
1-(Pyrazin-2-yl)ethan-1-one | |
Other names
2-Acetylpyrazine
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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) [2] |
Boiling point | 78–79 °C (172–174 °F; 351–352 K) (8 mmHg) [1] |
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).
|
Acetylpyrazine is an
organic compound with the
chemical formula C
6H
6N
2O. It is a yellow-brown powder at room temperature.
[1] Chemically, acetylpyrazine is a
pyrazine and a
ketone.
[2]
Acetylpyrazine is found in foods such as seeds, nuts and meats.
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]
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]
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