3-Pentanone

3-Pentanone, also called diethyl ketone, is an organic compound. It is a ketone with five carbon atoms. It smells like acetone and is soluble in water. It is used as a solvent in paint and is used to make vitamin E.

3-Pentanone
3-Pentanone structure.svg
3-Pentanone-3D-balls.png
Other names Diethyl ketone, diethylketone, 3-pentanone, dimethyl acetone, propione, metacetone, methacetone, ethyl ketone
Identifiers
Abbreviations DEK
CAS number 96-22-0
ChEBI CHEBI:87755
SMILES O=C(CC)CC
Properties
Molecular formula C5H10O
Molar mass 86.13 g mol-1
Appearance Colorless liquid[2]
Odor Acetone-like[1]
Density 0.81 g/cm3 at 20 °C[1]
Melting point

-39 °C, 234 K, -38 °F

Boiling point
Solubility in water 35 g/L[1]
Vapor pressure 35 mmHg[2]
-58.14·10−6 cm3/mol
Hazards
Explosive limits 1.6%-6.4%[2]
U.S. Permissible
exposure limit (PEL)
none[2]
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

References

  1. 1.0 1.1 1.2 Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
  2. 2.0 2.1 2.2 2.3 NIOSH Pocket Guide to Chemical Hazards. "#0212". National Institute for Occupational Safety and Health (NIOSH).