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 ;
3D model (JSmol)	Interactive image;
ChemSpider	7510 ;
PubChem CID	7798;
UNII	A88LE742VX ;
	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	158.197 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)
Refractive index (nD)	1.413
Hazards
Safety data sheet	[1]
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).
	verify (what is ?)
	Infobox references

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 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

↑ "MSDS Information". Butyric Anhydride MSDS. http://www.coleparmer.com/catalog/Msds/96914.htm. Retrieved 2011-01-07.

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[1] "MSDS Information". Butyric Anhydride MSDS. http://www.coleparmer.com/catalog/Msds/96914.htm. Retrieved 2011-01-07.

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 (JSmol)	Interactive image
ChemSpider	7510^Y
PubChem CID	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	158.197 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)
Refractive index (n_D)	1.413
Hazards
Safety data sheet	[1]
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).
Y verify (what is ^YN ?)
Infobox references