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Merck
CN

34462

Dibutyl ether

puriss. p.a., low in aromatic compounds, ≥99.5% (GC)

Synonym(s):

Butyl ether

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About This Item

Linear Formula:
[CH3(CH2)3]2O
CAS Number:
Molecular Weight:
130.23
EC Number:
205-575-3
UNSPSC Code:
12352112
PubChem Substance ID:
Beilstein/REAXYS Number:
1732752
MDL number:
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vapor density

4.48 (vs air)

vapor pressure

4.8 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥99.5% (GC)

autoignition temp.

365 °F

quality

low in aromatic compounds

expl. lim.

8.5 %

impurities

≤0.002% peroxides (as H2O2), ≤0.05% aromatic compounds (as xylene)

evapn. residue

≤0.002%

refractive index

n20/D 1.399

bp

142-143 °C (lit.)

mp

−98 °C (lit.)

density

0.764 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.1 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Mo: ≤0.1 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Sr: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

SMILES string

CCCCOCCCC

InChI

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

InChI key

DURPTKYDGMDSBL-UHFFFAOYSA-N

General description

Dibutyl ether is commonly used as a 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.


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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

WGK 1

flash_point_f

82.4 °F - closed cup

flash_point_c

28 °C - closed cup

Regulatory Information

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Ronald A Glabonjat et al.
Talanta, 222, 121677-121677 (2020-11-11)
Non-ribosomal peptides are one class of bacterial metabolites formed by gut microbiota. Intestinal resident Klebsiella oxytoca produces two pyrrolobenzodiazepines, tilivalline and tilimycin, via the same nonribosomal biosynthesis platform. These molecules cause human disease by genotoxic and tubulin inhibitory activities resulting
Isothermal vapour/liquid equilibria of binary mixtures with dibutyl ether at 298.15 K.
Lepori L, et al.
Physical Chemistry Chemical Physics, 2(21), 4837-4842 (2000)
Kinetics and mechanism of urethane formation catalyzed by organotin compounds. I. The reaction of phenyl isocyanate with methanol in dibutyl ether under the action of dibutyltin diacetate.
Van der Weij FW.
Journal of Polymer Science Part A: Polymer Chemistry, 19(2), 381-388 (1981)