Methyl ethyl ketone
butan-2-one, MEK, 2-butanone, ethyl methyl ketone, methyl acetone, meetco
How to detect Methyl ethyl ketone
Formula: C4H8O | CAS: 78-93-3
Synonyms: butan-2-one, MEK, 2-butanone, ethyl methyl ketone, methyl acetone, meetco
MEK is a solvent used in the preparation of fibres, resins, gums, lubricating oils, varnishes, films and coatings. It is used in manufacture of pharmaceuticals and cosmetics, synthetic rubber, inks and textiles.
Specification
| Specification | Value/Information |
|---|---|
| Formula | C4H8O |
| CAS no. | 78-93-3 |
| Gas Response Factor, 11.7 eV | 1.20 |
| Gas Response Factor, 10.6 eV | 0.96 |
| Gas Response Factor, 10.0 eV | 2.00 |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.334 |
| Molecular Weight, g/mole | 72.1 |
| Melting point, °C | -86 |
| Boiling point, °C | 80 |
| Flash point, °C | -7.5 |
| Upper Explosive Limit, % | 11.5 |
| Lower Explosive Limit, % | 1.5 |
| Density, g.cm⁻³ | 0.805 |
| Specification | Value/Information |
|---|---|
| Ionisation Energy, eV | 9.51 |
| EH40 TWA, ppm | 200 |
| EH40 TWA, mg.m⁻³ | 600 |
| EH40 STEL, ppm | 300 |
| EH40 STEL, mg.m⁻³ | 899 |
| NIOSH ST, ppm | 300 |
| NIOSH TWA REL, ppm | 200 |
| NIOSH ST, mg.m⁻³ | 885 |
| NIOSH TWA REL, mg.m⁻³ | 590 |
| NIOSH IDLH, ppm | 3000 |
| OSHA TWA PEL, ppm | 200 |
| OSHA TWA PEL, mg.m⁻³ | 590 |