查看“︁丁酸酐”︁的源代码

{{Chembox
| Reference = <ref name="zghg">中国化工产品大全 上卷，Da202 丁酸酐，页539</ref><ref name="cb">[http://www.chemicalbook.com/ChemicalProductProperty_CN_CB1693281.htm 丁酸酐]</ref>
| Name = 正丁酸酐
| ImageFile = Butyric anhydride Formula V1.svg
| IUPACName = Butanoyl butanoate
| OtherNames = 丁酸酐<br />n-丁酸酐<br />丁酐<br />丁酰基丁酸酯<br/>酪酸酐<br />氧化丁酰<br />正丁酸酐
|Section1={{Chembox Identifiers
| CASNo = 106-31-0
| CASNo_Ref = {{cascite|correct|CAS}}
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = A88LE742VX
| PubChem = 7798
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 7510
| SMILES = CCCC(OC(CCC)=O)=O
| StdInChI = 1S/C8H14O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H2,1-2H3
| StdInChIKey = YHASWHZGWUONAO-UHFFFAOYSA-N
  }}
|Section2 = {{Chembox Properties
|   Formula = C<sub>8</sub>H<sub>14</sub>O<sub>3</sub>
|   MolarMass = 158.19
|   Appearance = 无色透明可燃液体
|   Density = 0.9668 g/ml (20 °C)
|   MeltingPt = -75～-66 °C
|   BoilingPt = 198～199 °C
|   Solubility = 与水反应，生成正[[丁酸]]
|   SolOther = 溶于[[乙醇]]
|   VaporPressure = 13.3 hPa (79.5 °C)
|   RefractIndex = 1.4070 (20 °C)
|   pKa = 
|   pKb = }}
| Section7 = {{Chembox Hazards
|   EUClass = 腐蚀性 ('''C''')
|   RPhrases = {{R14}}, {{R34}}
|   SPhrases = {{S26}}, {{S36/37/39}}, {{S45}}
|   FlashPt = 86.1 °C
|   LD50 = 8970 mg/kg (大鼠经口)<ref name="cb1">[http://www.chemicalbook.com/ProductMSDSDetailCB1693281.htm 丁酸酐(106-31-0)]</ref><br />6400 mg/kg (兔经皮)<ref name="cb1" /> }}
}}

'''丁酸酐'''，结构式<sup>''n''-</sup>C<sub>3</sub>H<sub>7</sub>C(O)O(O)C<sup>''n''-</sup>C<sub>3</sub>H<sub>7</sub>。

==性质==
无色透明液体。遇水分解为[[丁酸]]，溶于[[乙醚]]。可燃；低毒。

==制备==
由[[丁酸]]和[[乙酸酐]]在加热和催化下反应而得。副产[[乙酸]]，经分离、精制得丁酸酐成品。
:<math>\ 2C_3H_7COOH+CH_3C(O)O(O)CCH_3\rightarrow </math><math>\ C_3H_7C(O)O(O)CC_3H_7+2CH_3COOH</math>

==用途==
用于制造丁酸酯、[[丁酸纤维素]]、香料、胆囊造影剂[[碘泛酸]]等。

==参考资料==
{{reflist}}

[[Category:羧酸酐]]
[[Category:恶臭化学品]]