3-Methyl-2-butanone (methyl isopropyl ketone, MIPK) is a ketone and solvent of minor importance. It is comparable to MEK (Methyl ethyl ketone), but has a lower solvency and is more expensive.[2]
Names | |
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Preferred IUPAC name 3-Methylbutan-2-one | |
Other names Isopropyl methyl ketone, MIPK, 2-Acetyl propane 3-Methyl-2-butanone | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.008.423 |
EC Number |
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PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C5H10O | |
Molar mass | 86.13 g/mol |
Appearance | Colorless liquid |
Odor | Acetone-like |
Density | 0.803 g/cm3 (20 °C) |
Melting point | −92 °C (−134 °F; 181 K) |
Boiling point | 92 °C (198 °F; 365 K) |
6-8.2 g/L (20 °C) | |
Vapor pressure | 8.6 kPa (20 °C) |
-58.45·10−6 cm3/mol | |
Refractive index (nD) | 1.389 (20 °C) |
Viscosity | 0.48 mPa·s (20 °C) |
Hazards | |
Flash point | 5 °C (41 °F) |
475 °C (887 °F; 748 K) | |
NIOSH (US health exposure limits): | |
PEL (Permissible) | none[1] |
REL (Recommended) | TWA 200 ppm (705 mg/m3)[1] |
IDLH (Immediate danger) | N.D.[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
References
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