2-Pentanone

2-Pentanone
Names
IUPAC name
2-pentanone
Other names
methyl propyl ketone
2-pentanone
MPK
Identifiers
107-87-9 YesY
ChEBI CHEBI:16472 YesY
ChEMBL ChEMBL45345 YesY
ChemSpider 7607 YesY
Jmol interactive 3D Image
KEGG C01949 YesY
PubChem 7895
RTECS number CY1400000
UNII I97392I10V YesY
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)
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]
Lethal dose or concentration (LD, LC):
1600 mg/kg (rat, oral)
1600 mg/kg (mouse, oral)[2]
50,000 ppm (guinea pig, 50 min)
13,000 ppm (guinea pig, 5 hr)[2]
US health exposure limits (NIOSH):
TWA 200 ppm (700 mg/m3)[1]
TWA 150 ppm (530 mg/m3)[1]
1500 ppm[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 a ketone and solvent of minor importance. It is comparable to methyl ethyl ketone, but has a lower solvency and is more expensive.[3] It occurs naturally in Nicotiana tabacum (Tobacco).[4]

References

  1. 1 2 3 4 5 "NIOSH Pocket Guide to Chemical Hazards #0488". National Institute for Occupational Safety and Health (NIOSH).
  2. 1 2 "2-Pentanone". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).
  3. Dieter Stoye (2007), "Solvents", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, pp. 55–56
  4. T. C. Tso (2007), "Tobacco", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, p. 19
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