Butanone
Метилэтилкетон · بوتانون · Metil-etil keton · Butanon · Βουτανόνη · Butanona · بوتانون · בוטנון · एमइके · Metiletilchetone · メチルエチルケトン · 메틸 에틸 케톤
| CAS | 78-93-3 |
|---|---|
| EC | 201-159-0 |
| UN | 1193 |
| Formula | C4H8O |
| Molar mass | 72.11 g/mol |
| LEL | 1.5 % vol |
| UEL | 13.4 % vol |
| Flash point | -10 °C |
| Autoignition temperature | 404 °C |
| Temperature class | T2 |
| Gas group | IIB |
| Relative density of the gas or vapour (air = 1) | 2.49 |
| GHS | Danger · 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.