| CAS Number | 78-93-3 |
| Catalog Description | 2-Butanone, ACS, 99.0% min. |
| Synonym | Methyl ethyl ketone |
| Synonym | MEK |
| Synonym | Ethyl methyl ketone |
| MDL Number | MFCD00011648 |
| Master Molecular formula | C4H8O |
| Molecular formula | C4H8O |
| Melting point in C | -87° |
| Boiling point in C | 80° |
| Flash point in C | -3° |
| Flash point in F | 27° |
| Density | 0.805 |
| Refractive Index | 1.379 |
| Merck Number | 14,6072 |
| EC Number | 201-159-0 |
| Shipping | Hazardous for shipping |
| CAS Number | 78-93-3 |
| UN# | UN1193 |
| Haz Class | 3 |
| Packing Group | II |
| Signal Word | Danger |
| Pictogram code 1 |
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| Pictogram code 2 |
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| H Phrases | H225-H319-H336 |
| P Phrases | P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A |
| TSCA | Yes |
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