Biblioteca de gases e solventes
2,3-Butanodiona
Butane-2,3-dione · Диацетил · Diacetyl · بيوتان ديون · Diasetil · Diacetilo · دیاستیل · Diacétyle · בוטאן-2,3-דיון · Diacetil · Diacetile · ジアセチル
| CAS | 431-03-8 |
|---|---|
| EC | 207-069-8 |
| UN | 2346 |
| Fórmula | C4H6O2 |
| Massa molar | 86,089 g/mol |
| LIE (LEL) | 2,4 % vol |
| LSE (UEL) | 13,0 % vol |
| Ponto de fulgor | 6 °C |
| Temperatura de autoignição | 365 °C |
| Classe de temperatura | T2 |
| Densidade relativa do gás ou vapor (ar = 1) | 2,97 |
| GHS | Perigo · 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.