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Key Documents

33064

Sigma-Aldrich

2-Methyl-1-propanol

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99% (GC)

Synonym(s):

Isobutanol, Isobutyl alcohol

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About This Item

Linear Formula:
(CH3)2CHCH2OH
CAS Number:
Molecular Weight:
74.12
Beilstein/REAXYS Number:
1730878
EC Number:
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:

grade

ACS reagent
puriss. p.a.

Quality Level

agency

reag. Ph. Eur.

vapor density

2.55 (vs air)

vapor pressure

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

801 °F

expl. lim.

10.6 %

impurities

≤0.001% non-volatile matter
≤0.001% peroxides (as H2O2)
≤0.004% free acid (as C3H7COOH)
≤0.005% iso-butyraldehyd (GC)
≤0.005% n-butyraldehyde (GC)
≤0.02% butanone
≤0.05% 2-butanol
≤0.05% water (Karl Fischer)
≤0.1% 1-butanol

refractive index

n20/D 1.3950-1.3960
n20/D 1.396 (lit.)

bp

108 °C (lit.)

mp

−108 °C (lit.)

density

0.803 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES string

CC(C)CO

suitability

passes test for reaction against H2SO4

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 (Isobutyl alcohol) is widely used organic solvent.

Application

2-Methyl-1-propanol (Isobutyl alcohol) may be used to prepare the isobutyl alcohol-benzene solution for use in the quantification of inorganic phosphates. It may be used for the estimation of phosphate (inorganic phosphorous) by a colorimetric method.

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system, Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

82.4 °F - closed cup

flash_point_c

28 °C - closed cup


Certificates of Analysis (COA)

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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)
Determination of inorganic phosphate.
Martin JB and Doty DM.
Analytical Chemistry, 21(8), 965-967 (1949)
Han Li et al.
Science (New York, N.Y.), 335(6076), 1596-1596 (2012-03-31)
One of the major challenges in using electrical energy is the efficiency in its storage. Current methods, such as chemical batteries, hydraulic pumping, and water splitting, suffer from low energy density or incompatibility with current transportation infrastructure. Here, we report
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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

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