Butyric anhydride

Butyric anhydride or butanoic anhydride is the chemical compound with the formula (CH3CH2CH2CO)2O. The molecule can be described as a condensation of two molecules of butyric acid with elimination of one water molecule (hence its name).

Butyric anhydride
Names
Preferred IUPAC name
Butanoic anhydride
Other names
Butyric anhydride
Butanoyl butanoate
Butanoic acid anhydride
Butyric acid anhydride
Butyryl oxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.077
UNII
Properties
C8H14O3
Molar mass 158.197 g·mol−1
Appearance Clear liquid
Density .967 g/cm3
Melting point −75 °C (−103 °F; 198 K)
Boiling point 198 °C (388 °F; 471 K)
1.413
Hazards
Safety data sheet
Related compounds
Acetic anhydride
Propionic anhydride
Valeric anhydride
Related compounds
Butyric acid
Butyryl chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Butyric anhydride is a clear colorless liquid that smells strongly of butyric acid, which is formed by its reaction to moisture in the air.

Safety

Butyric anhydride is a combustible, corrosive liquid. It is considered water sensitive.[1]

References

  1. "MSDS Information". Butyric Anhydride MSDS. Retrieved 2011-01-07.
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