Isobutyric anhydride

Isobutyric anhydride
Names
IUPAC name
2-Methylpropanoic anhydride
Other names
  • Isobutyric acid anhydride
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.367
EC Number
  • 202-603-6
UNII
UN number 2924 2530
  • InChI=1S/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3
    Key: LSACYLWPPQLVSM-UHFFFAOYSA-N
  • CC(C)C(=O)OC(=O)C(C)C
Properties
C8H14O3
Molar mass 158.197 g·mol−1
Appearance Colorless liquid
Density 0.9535 g/cm³ (at 20 °C)
Melting point −53.5 °C (−64.3 °F; 219.7 K)
Boiling point 181.5 °C (358.7 °F; 454.6 K)
Vapor pressure 0.5 mmHg
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Isobutyric anhydride is an organic compound with the formula ((CH3)2CHCO)2O. It is an acyclic carboxylic anhydride of isobutyric acid. It is classified as an organic acid anhydride, being derived from dehydration of isobutyric acid. It is a colorless liquid with a strong, pungent odor.

Isobutyric anhydride is a reagent in the production of the ester of cyclohexanone oxime.

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