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Key Documents

Safety Information

58450

Sigma-Aldrich

2-Methyl-1-propanol

puriss. p.a., ACS reagent, ≥99.5% (GC)

Synonym(s):

Isobutanol, Isobutyl alcohol

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About This Item

Linear Formula:
(CH3)2CHCH2OH
CAS Number:
Molecular Weight:
74.12
Beilstein:
1730878
EC Number:
MDL number:
UNSPSC Code:
12352001
PubChem Substance ID:
Assay:
≥99.5% (GC)
bp:
108 °C (lit.)
vapor pressure:
8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

grade

ACS reagent
puriss. p.a.

vapor density

2.55 (vs air)

vapor pressure

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

Assay

≥99.5% (GC)

autoignition temp.

801 °F

expl. lim.

10.6 %

impurities

≤0.001% peroxides (as H2O2)
≤0.0044% free acid (as C3H7COOH)
≤0.01% aldehyde (as C3H7CHO)
≤0.1% water
<0.02% ketone (as C2H5COCH3)

evapn. residue

≤0.001%

refractive index

n20/D 1.396 (lit.)
n20/D 1.396

bp

108 °C (lit.)

mp

−108 °C (lit.)

density

0.803 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤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
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤1.0 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

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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Signal Word

Danger

Hazard Statements

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Diffusion in the Three Component Liquid System Methyl Alcohol-n-Propyl Alcohol-Isobutyl Alcohol.
Shuck FO and Toor HL.
The Journal of Physical Chemistry, 67(3), 540-545 (1963)
Determination of inorganic phosphate.
Martin JB and Doty DM.
Analytical Chemistry, 21(8), 965-967 (1949)
Han Li et al.
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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
D Norbäck et al.
Occupational and environmental medicine, 52(6), 388-395 (1995-06-01)
As a part of the worldwide European Community respiratory health survey, possible relations between symptoms of asthma, building characteristics, and indoor concentration of volatile organic compounds (VOCs) in dwellings were studied. The study comprised 88 subjects, aged 20-45 years, from
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

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