Diacetyl
Butane-2,3-dione · Диацетил · بيوتان ديون · Diasetil · Diacetilo · دیاستیل · Diacétyle · בוטאן-2,3-דיון · Diacetil · Diacetile · ジアセチル · Butaandion
| CAS | 431-03-8 |
|---|---|
| EC | 207-069-8 |
| UN | 2346 |
| Formel | C4H6O2 |
| Molare Masse | 86,089 g/mol |
| UEG (LEL) | 2,4 % vol |
| OEG (UEL) | 13,0 % vol |
| Flammpunkt | 6 °C |
| Zündtemperatur | 365 °C |
| Temperaturklasse | T2 |
| Relative Dichte des Gases oder Dampfes (Luft = 1) | 2,97 |
| GHS | Gefahr · H225, H302, H315, H317, H318, H331, H373 |
Butane-2,3-dione is an alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. Diacetyl appears as a clear colorless liquid with a strong chlorine-like odor. Flash point 80 °F. Less dense than water.