methyl ethyl ketone
| Structure | ![]() |
reference |
| CAS number | 78933 | 14 |
| name | methyl ethyl ketone | 14 |
| synonyms | 2-butanone, butan-2-one, MEK, methyl acetone, | 16 |
| formula | C4H8O | 14 |
| MW | 72.108 | 14 |
| Class | ketone | |
| MP, ºC | -86 | 14 |
| BP, ºC | 79.5 | 14 |
| vapor pressure, torr @25ºC | 90.6 | 14 |
| evaporation rate (BuOAc=1) | 4.78 | 16 |
| specific gravity, 25ºC/25ºC | 0.8051 | 16 |
| viscosity, cP @ 20ºC | 0.426 | 16 |
| flash point, ºC (closed cup) | -7 | 16 |
| water soly, g/100g H2O at 25ºC | 27 | 16 |
| Henry's Law Constant, atm-m3/mole | 5.69E-05 | 16 |
| kOH, cm3/molecule-second | 1.15E-12 | 14 |
| log Kow | 0.29 | 14 |
| Hildebrand parameter (cal/cm3)^½ | 9.22 | 16 |
| Kauri-butanol number | NA | |
| MIR | 1.49 | 26 |
| TAC | Yes | 30 |