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271454

Sigma-Aldrich

Dibutyl ether

anhydrous, 99.3%

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Synonym(s):
Butyl ether
Linear Formula:
[CH3(CH2)3]2O
CAS Number:
Molecular Weight:
130.23
Beilstein/REAXYS Number:
1732752
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

4.48 (vs air)

vapor pressure

4.8 mmHg ( 20 °C)

assay

99.3%

form

liquid

autoignition temp.

365 °F

expl. lim.

8.5 %

impurities

<0.005% water

evapn. residue

<0.0005%

refractive index

n20/D 1.399 (lit.)

pH

5.2

bp

142-143 °C (lit.)

mp

−98 °C (lit.)

solubility

H2O: 0.113 g/L at 20 °C

density

0.764 g/mL at 25 °C (lit.)

SMILES string

CCCCOCCCC

InChI

1S/C8H18O/c1-3-5-7-9-8-6-4-2/h3-8H2,1-2H3

InChI key

DURPTKYDGMDSBL-UHFFFAOYSA-N

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1 of 4

This Item
5.895838.02892110280
vibrant-m

271454

Dibutyl ether

vibrant-m

5.89583

Dibutyl ether

vibrant-m

8.02892

Dibutyl ether

vibrant-m

110280

Dibutyl ether

assay

99.3%

assay

99.3%

assay

≥99% (GC)

assay

≥99%

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

grade

anhydrous

grade

anhydrous

grade

-

grade

-

density

0.764 g/mL at 25 °C (lit.)

density

0.764 g/mL at 25 °C (lit.)

density

0.769 g/cm3 at 20 °C

density

0.764 g/mL at 25 °C (lit.)

expl. lim.

8.5 %

expl. lim.

8.5 %

expl. lim.

0.9-8.5 % (v/v)

expl. lim.

8.5 %

General description

Dibutyl ether is being considered as an alternative fuel for diesel engines due to its non-miscibility in water, high cetane number and energy content.
Dibutyl ether is commonly used as solvent for various reactions. It forms azeotropic compositions with various organic solvents and the vapour/liquid equilibria of its binary mixtures have been investigated by head-space gas chromatography.

Application

Dibutyl ether may be used as a solvent for the synthesis of tricarbonyl[(1,2,3,4-η)-1- and 2-methoxy-1,3-cyclohexadiene]iron by the reaction of 1-methoxy-1,4-cyclohexadiene with iron pentacarbonyl.

Related product

Product No.
Description
Pricing

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

82.4 °F - closed cup

flash_point_c

28 °C - closed cup

ppe

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


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A chemical kinetic study of the oxidation of dibutyl-ether in a jet-stirred reactor.
Thion S, et al.
Combustion and Flame, 185, 4-15 (2017)
Solubility of anthracene in binary alcohol+ dibutyl ether solvent mixtures.
Powell JR and Acree Jr.
Journal of Chemical and Engineering Data, 40(4), 914-916 (1995)
Tricarbonyl [(2, 3, 4, 5-?)-2, 4-Cyclohexadien-1-One] Iron and Tricarbonyl [(1, 2, 3, 4, 5-?)-2-Methoxy-2, 4-Cyclohexadien-1-yl] Iron (1+) Hexafluorophosphate (1-) from Anisole.
Birch AJ &amp; Chamberlain KB
Organic Syntheses, 57, 107-107 (1977)
Seon-Joo Choi et al.
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