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Merck
CN

537721

3-Methyl-2-butanone

99%

Synonym(s):

Isopropyl methyl ketone, Methyl isopropyl ketone

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About This Item

Linear Formula:
(CH3)2CHCOCH3
CAS Number:
Molecular Weight:
86.13
UNSPSC Code:
12352115
NACRES:
NA.21
PubChem Substance ID:
EC Number:
209-264-3
Beilstein/REAXYS Number:
1071238
MDL number:
Assay:
99%
Bp:
94-95 °C (lit.)
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assay

99%

expl. lim.

0.34-6.3 %

refractive index

n20/D 1.388 (lit.)

bp

94-95 °C (lit.)

mp

−92 °C (lit.)

solubility

water: soluble 8.21 g/L at 20 °C

density

0.805 g/mL at 25 °C (lit.)

SMILES string

CC(C)C(C)=O

InChI

1S/C5H10O/c1-4(2)5(3)6/h4H,1-3H3

InChI key

SYBYTAAJFKOIEJ-UHFFFAOYSA-N

General description

3-Methyl-2-butanone (Methyl isopropyl ketone, MIPK, isopropyl methyl ketone), an aliphatic ketone, is a volatile organic compound. Photodegradation of MIPK in gas-phase has been reported. Asymmetric hydrogenation of MIPK with high enantioselectivity in the presence of Rh-PennPhos (rhodium-P,P′-1,2-phenylenebis(endo-2,5-dialkyl-7-phosphabicyclo[2.2.1]heptane) complex has been reported.

Application

3-Methyl-2-butanone may be used to prepare (R)-3-methyl-2-butanol via asymmetric hydrogenation in the presence of a wool-Pd complex.


pictograms

Flame

signalword

Danger

hcodes

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

flash_point_f

26.6 °F - closed cup

flash_point_c

-3 °C - closed cup



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