Methyl isopropyl ketone

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Methyl isopropyl ketone
Methyl isopropyl ketone
CAS number 563-80-4 YesY
Jmol-3D images Image 1
Molecular formula 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)
Solubility in water 6 g/l (20 °C)
Vapor pressure 8.6 kPa (20 °C)
Refractive index (nD) 1.389 (20 °C)
Viscosity 0.48 mPa·s (20 °C)
Flash point 5 °C (41 °F)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

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.[1]


  1. ^ Dieter Stoye (2007), "Solvents", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, pp. 55–56