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320048

Sigma-Aldrich

2-Methyl-1-propanol

ACS reagent, ≥99.0%

Synonym(s):

Isobutanol, Isobutyl alcohol

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About This Item

Linear Formula:
(CH3)2CHCH2OH
CAS Number:
78-83-1
Molecular Weight:
74.12
Beilstein:
1730878
EC Number:
201-148-0
MDL number:
MFCD00004740
UNSPSC Code:
12352001
PubChem Substance ID:
329753949
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor density

2.55 (vs air)

vapor pressure

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

Assay

≥99.0%

form

liquid

autoignition temp.

801 °F

expl. lim.

10.6 %

impurities

≤0.0005 meq/g Titr. acid
≤0.01% butyraldehyde
≤0.02% 2-butanone
≤0.1% water

evapn. residue

≤0.001%

color

APHA: ≤10

refractive index

n20/D 1.396 (lit.)

bp

108 °C (lit.)

mp

−108 °C (lit.)

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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Related Categories

Signal Word

Danger

Hazard Statements

H226,H315,H318,H335,H336

Hazard Classifications

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

Target Organs

Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

82.4 °F - closed cup

Flash Point(C)

28 °C - closed cup

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Arul M Varman et al.
Applied and environmental microbiology, 79(3), 908-914 (2012-11-28)
Global warming and decreasing fossil fuel reserves have prompted great interest in the synthesis of advanced biofuels from renewable resources. In an effort to address these concerns, we performed metabolic engineering of the cyanobacterium Synechocystis sp. strain PCC 6803 to
Dawid Brat et al.
FEMS yeast research, 13(2), 241-244 (2013-01-03)
Simultaneous overexpression of an optimized, cytosolically localized valine biosynthesis pathway together with overexpression of xylose isomerase XylA from Clostridium phytofermentans, transaldolase Tal1 and xylulokinase Xks1 enabled recombinant Saccharomyces cerevisiae cells to complement the valine auxotrophy of ilv2,3,5 triple deletion mutants
Jan-Karl Guterl et al.
ChemSusChem, 5(11), 2165-2172 (2012-10-23)
The limited supply of fossil resources demands the development of renewable alternatives to petroleum-based products. Here, biobased higher alcohols such as isobutanol are versatile platform molecules for the synthesis of chemical commodities and fuels. Currently, their fermentation-based production is limited
Genny A Pang et al.
The journal of physical chemistry. A, 116(19), 4720-4725 (2012-04-21)
This work presents the first direct experimental study of the rate constant for the reaction of OH with iso-butanol (2-methyl-1-propanol) at temperatures from 907 to 1147 K at near-atmospheric pressures. OH time-histories were measured behind reflected shock waves using a
Aiqin Shi et al.
Metabolic engineering, 16, 1-10 (2012-12-19)
Isobutanol is an excellent alternative biofuel. Fermentative production of isobutanol had been realized in several microorganisms by combining branched-chain amino acids synthetic pathway and Ehrlich pathway. In contrast to using plasmid overexpression and inducible promoters, genetically stable Escherichia coli strains
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