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Dibutyl ether

Dibutyl ether
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IUPAC name
dibutylether
Other names
butylether
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C8H18O
Molar mass Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value). g·mol−1
Appearance colorless
Density 0.769 g/cm3, liquid
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0.03%
1.3992
Viscosity 0.741 cP (15 °C)
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Dipole moment 1.18 D
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Dibutyl ether is a chemical compound belonging to the ether family with the molecular formula of Template:Chem/atomTemplate:Chem/atomTemplate:Chem/atomTemplate:Chem/atomTemplate:Chem/atom. It is colorless, volatile, and flammable liquid and has peculiar ethereal smell.

Liquid dibutyl ether is lighter than water. On the other hand, the vapor is heavier than air. It is not soluble in water, but it is soluble in acetone and many other organic solvents. Due to this property, dibutyl ether is used as solvent in various chemical reactions and processes. For example, phenyllithium is commercially available as a ca. 1.8 M solution in dibutyl ether.

Because of the formation of peroxides, it should be protected from heat, light and air.

Synthesis

Dibutyl ether is obtained from dehydration of 1-butanol with sulfuric acid as a catalyst and dehydrating agent:

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Industrially, dibutyl ether can be obtained by dehydration of 1-butanol on alumina at 300 °C.[citation needed]

Reactions

This compound is generally stable to oxidation, reduction, and base. Strong acids like HI and HBr can cleave this ether. In the presence of oxygen, dibutyl ether is oxidized to a peroxide or hydroperoxide.

Applications