Methyl isopropyl ketone

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]

Methyl isopropyl ketone
Structural formula of methyl isopropyl ketone
Ball-and-stick model of the methyl isopropyl ketone molecule
Names
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
  • 209-264-3
UNII
  • InChI=1S/C5H10O/c1-4(2)5(3)6/h4H,1-3H3 ☒N
    Key: SYBYTAAJFKOIEJ-UHFFFAOYSA-N ☒N
  • InChI=1/C5H10O/c1-4(2)5(3)6/h4H,1-3H3
    Key: SYBYTAAJFKOIEJ-UHFFFAOYAE
  • CC(C)C(=O)C
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
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).
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Infobox references

References
  1. 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
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