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Sigma-Aldrich

2-Methyl-1-propanol

99.5%

Synonym(e):

Isobutanol, Isobutylalkohol

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About This Item

Lineare Formel:
(CH3)2CHCH2OH
CAS-Nummer:
78-83-1
Molekulargewicht:
74.12
Beilstein:
1730878
EG-Nummer:
201-148-0
MDL-Nummer:
MFCD00004740
UNSPSC-Code:
12352001
PubChem Substanz-ID:
329758003
NACRES:
NA.21

Dampfdichte

2.55 (vs air)

Dampfdruck

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

Assay

99.5%

Form

liquid

Selbstzündungstemp.

801 °F

Expl.-Gr.

10.6 %

Verunreinigungen

≤0.05% (water)

Brechungsindex

n20/D 1.396 (lit.)

bp

108 °C (lit.)

mp (Schmelzpunkt)

−108 °C (lit.)

Löslichkeit

water: miscible 70 g/L at 20 °C

Dichte

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

InChIKey

ZXEKIIBDNHEJCQ-UHFFFAOYSA-N

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Allgemeine Beschreibung

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.

Anwendung

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.

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Central nervous system, Respiratory system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 1

Flammpunkt (°F)

82.4 °F - closed cup

Flammpunkt (°C)

28 °C - closed cup

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Sigma-Aldrich

156582

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Sigma-Aldrich

309435

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Sigma-Aldrich

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Synthesis of Esters from Acetic Acid with Methanol, Ethanol, Propanol, Butanol, and Isobutyl Alcohol Catalyzed by Solid Superacid1.
Hino M and Arata K.
Chemistry Letters (Jpn), 10(12), 1671-1672 (1981)
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Aminabhavi TM and Gopalkrishna B.
Journal of Chemical and Engineering Data, 39(4), 865-867 (1994)
Mechanistic studies of the catalytic dehydration of isobutyl alcohol on NaH-ZSM-5.
Williams C, et al.
J. Chem. Soc., Faraday Trans., 86(20), 3473-3485 (1990)
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Science (New York, N.Y.), 335(6076), 1596-1596 (2012-03-31)
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