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110280

Sigma-Aldrich

Dibutyl ether

ReagentPlus®, ≥99%

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

vapor density

4.48 (vs air)

Quality Level

vapor pressure

4.8 mmHg ( 20 °C)

product line

ReagentPlus®

assay

≥99%

form

liquid

autoignition temp.

365 °F

expl. lim.

8.5 %

refractive index

n20/D 1.399 (lit.)

pH

5.2

bp

142-143 °C (lit.)

mp

−98 °C (lit.)

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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General description

Dibutyl ether is commonly used as a solvent for various reactions. It forms azeotropic compositions with various organic solvents and the vapor/liquid equilibria of its binary mixtures have been investigated by head-space gas chromatography.

Application

Dibutyl ether may be used to compose the solvent mixtures in the following studies:
  • To evaluate the anthracene solubility in various binary solvent mixtures composed of dibutyl ether along with n-hexane, cyclohexane, n-heptane, methylcyclohexane, n-octane, isooctane and cyclooctane.
  • To measure the pyrene solubility in various binary solvent mixtures composed of dibutyl ether along with n-hexane, cyclohexane, n-heptane, methylcyclohexane, n-octane, isooctane and tert-butylcyclohexane.
  • To investigate the reaction mechanism and kinetic studies of the reaction of phenyl isocyanate with methanol in the presence of dibutyltin diacetate (catalyst) to afford urethane. Rate constant of the reaction, k was reported to be 0.96liter/(mole sec).

Packaging

1 L in glass bottle
18, 200 L in steel drum

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

82.4 °F - closed cup

Flash Point(C)

28 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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