Butanone
|
| |||
| Names | |||
|---|---|---|---|
| Preferred IUPAC name
Butan-2-one[2] | |||
| Other names | |||
| Identifiers | |||
3D model (JSmol)
|
|||
| Beilstein Reference | 741880 | ||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| ECHA InfoCard | 100.001.054 | ||
| Gmelin Reference | 25656 | ||
| KEGG | |||
PubChem CID
|
|||
| RTECS number |
| ||
| UNII | |||
CompTox Dashboard (EPA)
|
|||
SMILES
| |||
| Properties | |||
| C4H8O | |||
| Molar mass | 72.11 g·mol−1 | ||
| Appearance | Colorless liquid | ||
| Odor | Mint or acetone-like[3] | ||
| Density | 0.8050 g/mL | ||
| Melting point | −86 °C (−123 °F; 187 K) | ||
| Boiling point | 79.64 °C (175.35 °F; 352.79 K) | ||
| 27.5 g/100 mL | |||
| log P | 0.37[4] | ||
| Vapor pressure | 78 mmHg (20 °C)[3] | ||
| Acidity (pKa) | 14.7 | ||
| −45.58·10−6 cm3/mol | |||
Refractive index (nD)
|
1.37880 | ||
| Viscosity | 0.43 cP | ||
| Structure | |||
| 2.76 D | |||
| Hazards | |||
| EU classification | Flammable (F) Irritant (Xi) | ||
| NFPA 704 |
| ||
| R-phrases | R11 R36 R66 R67 | ||
| S-phrases | (S2) S9 S16 | ||
| Explosive limits | 1.4–11.4%[3] | ||
| U.S. Permissible exposure limit (PEL) |
TWA 200 ppm (590 mg/m3)[3] | ||
| Related compounds | |||
| Related {{{label}}} | {{{value}}} | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
| verify (what is ?) | |||
| Infobox references | |||
Butanone, also called methyl ethyl ketone (MEK), is an organic compound with the chemical formula CH3C(O)CH2CH3. It is a simple ketone with four carbon atoms. It smells sharp and sweet, like butterscotch and acetone mixed. It is soluble in water and is used as a solvent.
References
- ↑ Merck Index, 11th Edition, 5991.
- ↑ 2.0 2.1 2.2 Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 725. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
- ↑ 3.0 3.1 3.2 3.3 NIOSH Pocket Guide to Chemical Hazards. "#0069". National Institute for Occupational Safety and Health (NIOSH).
- ↑ "butan-2-one_msds".