查看“︁戊二酸酐”︁的源代码

{{Chembox
| Reference = <ref name="cb">[http://www.chemicalbook.com/ChemicalProductProperty_CN_CB7778519.htm 戊二酸酐]</ref>
| Name = 戊二酸酐
| NameEn = Glutaric anhydride<br />Pyroglutaric acid
| ImageFile = Glutaric anhydride.svg
| IUPACName = Oxane-2,6-dione
| OtherNames = 胶酸酐<br />戊二酐
| Section1 = {{Chembox Identifiers
| CASNo = 108-55-4
| CASNo_Ref = {{cascite|correct|CAS}}
|    EINECS  =  203-595-6
|    PubChem  =  7940
|    SMILES  =  C1CC(=O)OC(=O)C1
}}
| Section2 = {{Chembox Properties
|   Formula = C<sub>5</sub>H<sub>6</sub>O<sub>3</sub>
|   MolarMass = 114.099
|   Appearance = 白色粉末<ref name="cb1">[http://www.chemicalbook.com/ProductMSDSDetailCB7778519_EN.htm Dihydro-2H-pyran-2,6(3H)-dione(108-55-4)]</ref>或针状晶体<ref name="zghg">中国化工产品大全 上卷，Da204 戊二酸酐，页540</ref>
|   Density = 1.411 g/cm<sup>3</sup>
|   MeltingPt = 50～55 °C
|   BoilingPt = 150 °C (10 mmHg)
|   Solubility = 与水反应，生成[[戊二酸]]
|   SolOther = 溶于[[乙醇]]、[[乙醚]]和[[四氢呋喃]]
|   pKa = 
|   pKb = }}
| Section7 = {{Chembox Hazards
|   EUClass = 有害 ('''Xn''')
|   RPhrases = {{R20/21/22}}, {{R36/37/38}}, {{R41}}
|   SPhrases = {{S26}}, {{S36/37/39}}
    }}
}}

'''戊二酸酐'''，分子式C<sub>5</sub>H<sub>6</sub>O<sub>3</sub>。

==性质==
针状晶体。遇水分解为[[戊二酸]]，可溶于[[乙醇]]、[[乙醚]]和[[四氢呋喃]]。

==制备==
由[[戊二酸]]在脱水剂如[[乙酐]]存在下加热脱水而得。
:<math>\ HOOC(CH_2)_3COOH\rightarrow C_5H_6O_3+H_2O</math>

==用途==
用于生产塑料、树胶、橡胶、医药和制备[[酰胺]]类。

==参考资料==
{{reflist}}

[[Category:含氧杂环]]
[[Category:羧酸酐]]