查看“︁2-乙基丁酸”︁的源代码

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{{chembox
| Reference = <ref name="cb">[http://www.chemicalbook.com/ProductChemicalPropertiesCB8436250.htm 2-乙基丁酸 基本信息]</ref>
| Name = 2-乙基丁酸
| ImageFile = 2-Ethylbutanoic acid.svg
| ImageName = 2-乙基丁酸结构式
| IUPACName = 2-Ethylbutanoic acid
| OtherNames = 二乙基乙酸<br />二乙基醋酸<br />2-乙基正丁酸
| Section1 = {{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|CAS}}
|   PubChem = 6915
|   CASNo = 88-09-5
|   SMILES = CCC(CC)C(=O)O
  }}
| Section2 = {{Chembox Properties
|   Formula = C<sub>6</sub>H<sub>12</sub>O<sub>2</sub>
|   MolarMass = 116.16
|   Appearance = 无色透明液体<ref name="zghg">中国化工产品大全 上卷，Da160 2-乙基丁酸，页521</ref>
|   Density = 0.92 g/mL
|   MeltingPt = - 14 °C
|   BoilingPt = 99-101 °C
|   VaporPressure = 10.6 Pa (20 °C)
|   Solubility = 18 g/L (20 ºC)<ref name="cb" /><hr />本品在水中：1.6％ (20 °C)<ref name="zghg" /><br />水在本品中：3.3％ (20°C)<ref name="zghg" />
|   RefractIndex = 1.4133 (20 °C)<ref name="zghg" />
  }}
| Section3 = {{Chembox Hazards
|   EUClass = 腐蚀性 ('''C''')<br />有害 ('''Xn''')
|   RPhrases = {{R21}}, {{R34}}, {{R36/37/38}}
|   SPhrases = {{S26}}, {{S36/37/39}}, {{S45}}, {{S36}}
|   FlashPt = 99 °C<ref name="zghg" />
|   LD50 = 2200 mg/kg (大鼠经口)<ref name="zghg"/><br />520 mg/kg (家兔涂皮)<ref name="zghg" />
  }}
}}

'''2-乙基丁酸'''，结构式CH<sub>3</sub>CH<sub>2</sub>CH(C<sub>2</sub>H<sub>5</sub>)COOH。

==性质==
无色透明液体。溶于[[醇]]、[[醚]]。

==制备==
1、由[[2-乙基丁醇]][[氧化]]而得。
:<math>\ (C_2H_5)_2CHCH_2OH+O_2\rightarrow (C_2H_5)_2CHCOOH+H_2O</math>

2、由[[3-戊醇]]在[[硫酸]]作用下於15～20°C与无水[[甲酸]]反应而得。
:<math>\ (C_2H_5)_2CHOH+HCOOH \rightarrow (C_2H_5)_2CHCOOH+H_2O</math>

==用途==
用于生产增塑剂、防腐剂、干燥剂、调味剂、涂料、药物、化妆品等。

==参考资料==
{{reflist}}

==外部链接==
*[http://www.chemicalbook.com/ProductMSDSDetailCB8436250.htm 中文MSDS]{{Wayback|url=http://www.chemicalbook.com/ProductMSDSDetailCB8436250.htm |date=20160305011338 }}

[[Category:烷基酸]]