Butanon
Butanone · Метилэтилкетон · بوتانون · Metil-etil keton · Βουτανόνη · Butanona · بوتانون · Butanone · בוטנון · एमइके · Metiletilchetone · メチルエチルケトン
| CAS | 78-93-3 |
|---|---|
| EC | 201-159-0 |
| UN | 1193 |
| Formel | C4H8O |
| Molare Masse | 72,11 g/mol |
| UEG (LEL) | 1,5 % vol |
| OEG (UEL) | 13,4 % vol |
| Flammpunkt | -10 °C |
| Zündtemperatur | 404 °C |
| Temperaturklasse | T2 |
| Gasgruppe | IIB |
| Relative Dichte des Gases oder Dampfes (Luft = 1) | 2,49 |
| GHS | Gefahr · H225, H319, H336 |
Butan-2-one is a dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. It has a role as a polar aprotic solvent and a bacterial metabolite. Methyl ethyl ketone appears as colorless fairly volatile liquid with a pleasant pungent odor. Flash point 20 °F. Vapors heavier than air.