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Safety Information

V000239

Sigma-Aldrich

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
Beilstein:
605399
EC Number:
203-550-1
MDL number:
MFCD00008938
PubChem Substance ID:
329827853

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.)

bp

117-118 °C

mp

−80 °C (lit.)

density

0.801 g/mL at 25 °C (lit.)

SMILES string

CC(C)CC(C)=O

InChI

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

InChI key

NTIZESTWPVYFNL-UHFFFAOYSA-N

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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.

Signal Word

Danger

Hazard Statements

H225,H319,H332,H336,H351

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

EUH066

Storage Class Code

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)
Wilbur Johnson
International journal of toxicology, 23 Suppl 1, 29-57 (2004-05-28)
MIBK (Methyl Isobutyl Ketone) is an aliphatic ketone that functions as both a denaturant and solvent in cosmetic products. Current use in cosmetic products is very limited, but MIBK is reported to be used in one nail correction pen (volume
Alessandra Bendini et al.
International journal of food sciences and nutrition, 66(4), 371-377 (2015-05-23)
The aim of this investigation was to produce an olive oil (OO) naturally enriched with antioxidants, recovering carotenoids, in particular lycopene, using an industrial by-product of tomato seeds and skin. For this purpose, a technological process in a low-scale industrial
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