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Sigma-Aldrich

2-Butanol

puriss. p.a., reag. Ph. Eur., ≥99.5% (GC)

Synonym(s):

sec-Butyl alcohol

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About This Item

Linear Formula:
CH3CH2CH(OH)CH3
CAS Number:
78-92-2
Molecular Weight:
74.12
Beilstein:
773649
EC Number:
201-158-5
MDL number:
MFCD00004569
UNSPSC Code:
12352001
PubChem Substance ID:
329751876
NACRES:
NA.21

Agency

reag. Ph. Eur.

vapor density

2.6 (vs air)

vapor pressure

12.5 mmHg ( 20 °C)

grade

puriss. p.a.

Assay

≥99.5% (GC)

form

liquid

expl. lim.

9.8 %

impurities

≤0.025% aldehyde (as CH3(CH2)2CHO)
≤0.1% 2-butanone
≤0.1% isopropanol
≤0.1% tert-butanol
≤0.1% water
<0.01% ketone (as CH3COCH3)

evapn. residue

≤0.001%

refractive index

n20/D 1.397 (lit.)
n20/D 1.397

bp

98 °C (lit.)

mp

−115 °C (lit.)

density

0.808 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
B: ≤0.02 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: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES string

CCC(C)O

InChI

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

InChI key

BTANRVKWQNVYAZ-UHFFFAOYSA-N

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General description

2-Butanol is a secondary alcohol. Dehydration of 2-butanol has been employed as a probe reaction to investigate the acid and redox properties of WOx−ZrO2 catalysts. Its dehydration over a series of hydroxyapatite catalysts has been studied.

Application

2-Butanol was used to investigate the influence of alcohol hydrogen donor on methyl furan production, via catalytic transfer hydrogenation of furfural.
It may be used to investigate the influence of hydrogen donor on methyl furan production.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H319,H335,H336

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

Target Organs

Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

80.6 °F - closed cup

Flash Point(C)

27 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Concentration of DNA solutions by extraction with 2-butanol.
D W Stafford et al.
Biochimica et biophysica acta, 378(1), 18-21 (1975-01-06)
Genesis of Br?nsted acid sites during dehydration of 2-butanol on tungsten oxide catalysts.
Baertsch CD, et al.
J. Catal., 205(1), 44-57 (2002)
Effect of hydrogen donor on liquid phase catalytic transfer hydrogenation of furfural over a Ru/RuO2/C catalyst.
Panagiotopoulou P, et al.
J. Mol. Catal. A: Chem., 392, 223-228 (2014)
The microcatalytic technique applied to a zero order reaction: the dehydration of 2-butanol over hydroxyapatite catalysts.
Bett JAS and Hall WK.
J. Catal., 10(2), 105-113 (1968)
Fengli Yang et al.
Chemical communications (Cambridge, England), 47(15), 4469-4471 (2011-03-04)
A new solid acid, based on tantalum hydroxide, was used to catalyze saccharide dehydration into 5-hydroxymethylfurfural (HMF) with high catalytic activity and excellent stability in a water-2-butanol biphasic system. Furthermore, good results were also obtained from Jerusalem artichoke juice with
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