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360511

Sigma-Aldrich

4-Methyl-2-pentanone

ACS reagent, ≥98.5%

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Synonym(s):
Isobutyl methyl ketone, Isopropylacetone, MIBK, Methyl isobutyl ketone
Linear Formula:
(CH3)2CHCH2COCH3
CAS Number:
108-10-1
Molecular Weight:
100.16
Beilstein:
605399
EC Number:
203-550-1
MDL number:
MFCD00008938
UNSPSC Code:
12352115
PubChem Substance ID:
329755262
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor density

3.5 (vs air)

vapor pressure

15.7 mmHg ( 20 °C)

Assay

≥98.5%

form

liquid

autoignition temp.

840 °F

expl. lim.

1.2-8 %, 93 °F

impurities

≤0.002 meq/g Titr. acid
≤0.100% water

evapn. residue

≤0.0050%

color

APHA: ≤15
clear

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 used as a solvent for gums, resins, paints, varnishes, lacquers, and nitrocellulose. It is also used as a denaturant and solvent in cosmetic products.

Application

4-Methyl-2-pentanone is used:
  • To prepare (R)-(-)-4-methyl-2-pentanol via asymmetric hydrogenation in the presence of silica-supported starch-polysulfosiloxane-platinum complex (SiO2-ST-Si-S-Pt).
  • In the preparation of jet-fuel-range alkene [C10 and C11 branched alkanes] via aldol condensation reaction with furfural followed by hydrodeoxygenation reaction.
  • Extracting agent for silver, gold and other rare elements from cyanide solutions.

Features and Benefits

4-Methyl-2-pentanone or Methyl isobutyl ketone (MIBK) commonly used diluent or extractant due to its,
  • Low density
  • Viscosity.

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

WGK

WGK 1

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Regulatory Information

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