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294810

Sigma-Aldrich

2-Butanol

anhydrous, 99.5%

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Synonym(s):
sec-Butyl alcohol
Linear Formula:
CH3CH2CH(OH)CH3
CAS Number:
Molecular Weight:
74.12
Beilstein:
773649
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

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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1 of 4

This Item
PHR1563B8591996870
2-Butanol anhydrous, 99.5%

Sigma-Aldrich

294810

2-Butanol

2-Butanol Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1563

2-Butanol

2-Butanol ReagentPlus&#174;, &#8805;99%

Sigma-Aldrich

B85919

2-Butanol

2-Butanol analytical standard

Supelco

96870

2-Butanol

vapor density

2.6 (vs air)

vapor density

2.6 (vs air)

vapor density

2.6 (vs air)

vapor density

2.6 (vs air)

vapor pressure

12.5 mmHg ( 20 °C)

vapor pressure

12.5 mmHg ( 20 °C)

vapor pressure

12.5 mmHg ( 20 °C)

vapor pressure

12.5 mmHg ( 20 °C)

assay

99.5%

assay

-

assay

≥99%

assay

≥99.8% (GC)

form

liquid

form

-

form

liquid

form

-

autoignition temp.

761 °F

autoignition temp.

-

autoignition temp.

761 °F

autoignition temp.

-

Application

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

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3

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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