Methyl isopropyl ketone

Methyl isopropyl ketone

Names
IUPAC name 3-Methylbutan-2-one
Other names Isopropyl methyl ketone, MIPK, 2-Acetyl propane 3-Methyl-2-butanone
Identifiers
CAS Number	563-80-4
ChemSpider	10777
EC Number	209-264-3
Jmol interactive 3D	Image
PubChem	11251
InChI InChI=1S/C5H10O/c1-4(2)5(3)6/h4H,1-3H3 Key: SYBYTAAJFKOIEJ-UHFFFAOYSA-N InChI=1/C5H10O/c1-4(2)5(3)6/h4H,1-3H3 Key: SYBYTAAJFKOIEJ-UHFFFAOYAE
SMILES CC(C)C(=O)C
Properties
Chemical formula	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)
Solubility in water	6-8.2 g/l (20 °C)
Vapor pressure	8.6 kPa (20 °C)
Refractive index (nD)	1.389 (20 °C)
Viscosity	0.48 mPa·s (20 °C)
Hazards
Flash point	5 °C (41 °F)
Autoignition temperature	475 °C (887 °F; 748 K)
US health exposure limits (NIOSH):
PEL (Permissible)	none[1]
REL (Recommended)	TWA 200 ppm (705 mg/m^3)[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

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]

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