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Merck
CN

V000239

Methyl isobutyl ketone

p.a., ACS reagent, 98.5%

Synonym(s):

4-Methyl-2-pentanone, Isobutyl methyl ketone, Isopropylacetone, MIBK, Methyl isobutyl ketone

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About This Item

Linear Formula:
(CH3)2CHCH2COCH3
CAS Number:
108-10-1
Molecular Weight:
100.16
EC Number:
203-550-1
PubChem Substance ID:
329827853
MDL number:
MFCD00008938
Beilstein/REAXYS Number:
605399

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InChI

1S/C6H12O/c1-5(2)4-6(3)7/h5H,4H2,1-3H3

InChI key

NTIZESTWPVYFNL-UHFFFAOYSA-N

SMILES string

CC(C)CC(C)=O

grade

ACS reagent, p.a.

vapor density

3.5 (vs air)

assay

98.5%

autoignition temp.

840 °F

expl. lim.

1.2-8 %, 93 °F

refractive index

n20/D 1.395 (lit.)

mp

−80 °C (lit.)

density

0.801 g/mL at 25 °C (lit.)

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General description

4-Methyl-2-pentanone (methyl isobutyl ketone (MIBK)) is an organic solvent widely used in various industrial applications. It is also used in gums, resins, paints, varnishes, lacquers, and nitrocellulose.

Application

MIBK can be used:      
  • As a reactant in the preparation of methylpentanes by catalytic hydrogenation using Pt/ZSM-5 as a catalyst.
  •  As a solvent in the pharmaceutical, coating, and mining industries.       
  • In the manufacture of rubber antiozonants.

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Carc. 2 Inhalation - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

57.2 °F - closed cup

flash_point_c

14 °C - closed cup

Regulatory Information

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Modern Alkyne Chemistry: Catalytic and Atom-Economic Transformations (2007)
Wood FinishingWood Finishing: Pergamon Series of Monographs on Furniture and Timber (2016)
Synthesis of methyl isobutyl ketone from acetone over metal-doped ion exchange resin catalyst
Talwalkar S and Mahajani S
Applied Catalysis A: General, 302(1), 140-148 (2006)
Vincent W Chen et al.
Optics express, 22(10), 12316-12326 (2014-06-13)
Cuboid-shaped organic microcavities containing a pyrromethene laser dye and supported upon a photonic crystal have been investigated as an approach to reducing the lasing threshold of the cavities. Multiphoton lithography facilitated fabrication of the cuboid cavities directly on the substrate
Mshari A Alotaibi et al.
Chemical communications (Cambridge, England), 48(57), 7194-7196 (2012-06-12)
Acidic heteropoly salt Cs(2.5)H(0.5)PW(12)O(40) doped with Pt nanoparticles is a highly active and selective catalyst for one-step hydrogenation of methyl isobutyl and diisobutyl ketones to the corresponding alkanes in the gas phase at 100 °C with 97-99% yield via metal-acid
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