2-Pentanone

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2-Pentanone
Names
Preferred IUPAC name
Pentan-2-one
Other names
methyl propyl ketone
2-pentanone
MPK
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.208
KEGG
PubChem {{{value}}}
RTECS number CY1400000
UNII
SMILES {{{value}}}
Properties
C5H10O
Molar mass 86.13 g/mol
Appearance Colorless liquid
Odor resembling acetone
Density 0.809 g/ml
Melting point −78 °C (−108 °F; 195 K)
Boiling point 102 °C (216 °F; 375 K)
6% (20°C)[1]
Vapor pressure 3.6 kPa (20 °C)
-57.41·10−6 cm3/mol
1.390 (20 °C)
Viscosity 0.50 mPa·s (20 °C)
Hazards
Flash point 10 °C (50 °F)
Explosive limits 1.5%-8.2%[1]
U.S. Permissible
exposure limit (PEL)
TWA 200 ppm (700 mg/m3)[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

2-pentanone, or methyl propyl ketone (MPK), is an organic compound. It is a ketone and is very similar to butanone, but it is more expensive to make. Because of this, it isn't used as a solvent as often as butanone. Some of it is found in tobacco.

References[change | change source]

  1. 1.0 1.1 1.2 "NIOSH Pocket Guide to Chemical Hazards #0488". National Institute for Occupational Safety and Health (NIOSH).