Methyl isopropyl ketone

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Methyl isopropyl ketone
Structural formula of methyl isopropyl ketone
Ball-and-stick model of the methyl isopropyl ketone molecule
IUPAC name
Other names
Isopropyl methyl ketone, MIPK, 2-Acetyl propane 3-Methyl-2-butanone
563-80-4 YesY
ChemSpider 10777 N
EC Number 209-264-3
Jmol 3D model Interactive image
PubChem 11251
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)
1.389 (20 °C)
Viscosity 0.48 mPa·s (20 °C)
Flash point 5 °C (41 °F)
475 °C (887 °F; 748 K)
US health exposure limits (NIOSH):
PEL (Permissible)
REL (Recommended)
TWA 200 ppm (705 mg/m3)[1]
IDLH (Immediate danger)
Except where otherwise noted, 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.[2]


  1. ^ a b c "NIOSH Pocket Guide to Chemical Hazards #0424". National Institute for Occupational Safety and Health (NIOSH). 
  2. ^ Dieter Stoye (2007), "Solvents", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, pp. 55–56