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294810

Sigma-Aldrich

2-Butanol

anhydrous, 99.5%

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:
57648374
NACRES:
NA.21

grade

anhydrous

Quality Level

100

vapor density

2.6 (vs air)

vapor pressure

12.5 mmHg ( 20 °C)

Assay

99.5%

form

liquid

autoignition temp.

761 °F

expl. lim.

9.8 %

impurities

<0.005% water

evapn. residue

<0.0003%

refractive index

n20/D 1.397 (lit.)

bp

98 °C (lit.)

mp

−115 °C (lit.)

density

0.808 g/mL at 25 °C (lit.)

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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Application

2-Butanol may be used in butyl lithium tritation to check its molarity using 1,10-phenanthroline as indicator.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR5958
SHBR5812
0000242958
SHBP9741
SHBP8749

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Organic Syntheses, 70, 272-272 (1992)
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Genesis of Br?nsted acid sites during dehydration of 2-butanol on tungsten oxide catalysts.
Baertsch CD, et al.
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The microcatalytic technique applied to a zero order reaction: the dehydration of 2-butanol over hydroxyapatite catalysts.
Bett JAS and Hall WK.
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