Butyric anhydride

Butyric anhydride

Names
Preferred IUPAC name Butanoic anhydride
Other names Butyric anhydride Butanoyl butanoate Butanoic acid anhydride Butyric acid anhydride Butyryl oxide
Identifiers
CAS Number	106-31-0 Y
3D model (Jmol)	Interactive image
ChemSpider	7510 Y
ECHA InfoCard	100.003.077
PubChem	7798
UNII	A88LE742VX Y
InChI InChI=1S/C8H14O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H2,1-2H3 Key: YHASWHZGWUONAO-UHFFFAOYSA-N
SMILES CCCC(OC(CCC)=O)=O
Properties
Chemical formula	C8H14O3
Molar mass	158.20 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)
Refractive index (nD)	1.413
Hazards
Safety data sheet
Related compounds
Related acid anhydrides	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 (butanoic anhydride) is a chemical compound with the formula (CH₃CH₂CH₂CO)₂O. It is a clear colorless liquid that smells strongly of butyric acid, formed by its reaction to moisture in the air.

Applications

Because of its odor, butyric anhydride has use as a fumigant to drive bees from their hives.^[1]

Safety

Butyric anhydride is a combustible, corrosive liquid. It is considered water sensitive.^[2]

References