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281549

Sigma-Aldrich

1-Butanol

anhydrous, 99.8%

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Synonym(s):
n-Butanol, Butyl alcohol
Linear Formula:
CH3(CH2)3OH
CAS Number:
Molecular Weight:
74.12
Beilstein/REAXYS Number:
969148
EC Number:
MDL number:
PubChem Substance ID:

grade

anhydrous

Quality Level

vapor density

2.55 (vs air)

vapor pressure

5 (4 mmHg) at 20 °C hPa

assay

99.8%

form

liquid

autoignition temp.

649 °F

expl. lim.

11.2 %

impurities

<0.005% water

evapn. residue

<0.0005%

color

colorless

refractive index

n20/D 1.399 (lit.)

pH

7 (20 °C, 70 g/L)

bp

116-118 °C (lit.)

mp

−90 °C (lit.)

density

0.81 g/mL at 25 °C (lit.)

SMILES string

CCCCO

InChI

1S/C4H10O/c1-2-3-4-5/h5H,2-4H2,1H3

InChI key

LRHPLDYGYMQRHN-UHFFFAOYSA-N

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1 of 4

This Item
33065360465900639
vibrant-m

281549

1-Butanol

-
vibrant-m

33065

1-Butanol

Essential Grade
vibrant-m

360465

1-Butanol

Essential Grade
vibrant-m

900639

1-Butanol

-
Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

assay

99.8%

assay

≥99.5% (GC)

assay

≥99.4%

assay

99.8%

bp

116-118 °C (lit.)

bp

116-118 °C (lit.)

bp

116-118 °C (lit.)

bp

116-118 °C (lit.)

vapor pressure

5 (4 mmHg) at 20 °C hPa

vapor pressure

5.5 mmHg

vapor pressure

5.5 mmHg

vapor pressure

5.5 mmHg

form

liquid

form

liquid

form

liquid

form

liquid

Application

1-Butanol may be used as a solvent for the deoxygenation of O-protected alcohols via Barton-McCombie protocol.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

95.0 °F - Pensky-Martens closed cup

flash_point_c

35 °C - Pensky-Martens closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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