Merck
All Photos(2)

538132

Sigma-Aldrich

2-Methyl-1-propanol

99.5%

Synonym(s):
Isobutanol, Isobutyl alcohol
Linear Formula:
(CH3)2CHCH2OH
CAS Number:
Molecular Weight:
74.12
Beilstein:
1730878
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor density

2.55 (vs air)

Quality Level

vapor pressure

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

assay

99.5%

form

liquid

autoignition temp.

801 °F

expl. lim.

10.6 %

impurities

≤0.05% (water)

refractive index

n20/D 1.396 (lit.)

bp

108 °C (lit.)

mp

−108 °C (lit.)

solubility

water: miscible 70 g/L at 20 °C

density

0.803 g/mL at 25 °C (lit.)

SMILES string

CC(C)CO

InChI

1S/C4H10O/c1-4(2)3-5/h4-5H,3H2,1-2H3

InChI key

ZXEKIIBDNHEJCQ-UHFFFAOYSA-N

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General description

2-Methyl-1-propanol, also known as isobutyl alcohol, is an aliphatic alcohol. The densities, viscosities and refractive indices of the binary mixtures of diglyme and 2-methyl-1-propanol have been evaluated. The partition functions and thermodynamic properties of 2-methyl-1-propanol in the vapor phase have been reported. The kinetics of dehydration of isobutyl alcohol to butene over ZSM (Zeolite Socony Mobil)-5 zeolite has been investigated using in situ FTIR (Fourier transform infrared spectroscopy) and GC. The thermochemical characteristics of radicals generated by the removal of hydrogen from 1-butanol have been studied.

Application

2-Methyl-1-propanol may be used in the synthesis of corresponding ester by reacting with acetic acid in the presence of a solid superacid.

Packaging

1, 4 L in glass bottle

Signal Word

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

82.4 °F - closed cup

Flash Point(C)

28 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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