Diethyl 2-oxobutanedioate 2-氧代丁二酸二乙酯

CAS 108-56-5 MFCD00511083

化学结构图

108-56-5
SMILES: CCOC(=O)/C(/O)=C/C(=O)OCC

化学属性

Mol. FormulaC8H12O5
Mol. Weight188.18
Boiling Point254.2°C at 760 mmHg
Refractive index1.4480 to 1.4550
Appearance 本品为无色液体，呈酸性，b.P.103～105℃/666.5 Pa，不溶于水，可与乙醇、乙醚、苯等互溶。草酰乙酸为固体，m.p.161℃(分解)，不溶于水，溶于乙醇、乙醚等有机溶剂。
Density1.14
Flash Point106.4°C
Melting Point<25 °C

别名和识别编码

Chemical NameDiethyl 2-oxobutanedioate
CAS Number108-56-5
Alfabeta NameDIETHYLOXOBUTANEDIOATESODIUMSALT 2-,
MDL NumberMFCD00059229
EC Number203-594-1
Synonym Diethyl 2-oxobutanedioate {LY} Diethyl 2-oxobutanedioate {} {LY} Diethyl 2-oxobutanedioate {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Diethyl 2-oxobutanedioate {} {} {} {}
Chemical Name Translation2-氧代丁二酸二乙酯
Reaxys-RN908745
Merck Number3836
PubChem Substance ID87574086
LabNetwork Molecule IDLN00335724
Canonical SMILESCCOC(=O)CC(=O)C(=O)OCC
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分类

  • {Chemicalbook} 农药中间体: 除草剂中间体: 咪唑啉酮类除草剂

安全信息

Warnings IRRITANT
GHS Symbol
Signal word
Precautionary statements
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
  • P301+P312+P330
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
Storage condition Store at room temperature {LY} Store at room temperature {} {LY} Store at room temperature {} {} {LY} Store at room temperature {} {} {} {LY} Store at room temperature {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature
Hazard statements
  • H302 Harmful if swallowed 吞食有害

其他信息

  • TCI Shanghai:草酰乙酸二乙酯 Diethyl Oxalacetate,>;90.0%(T)(108-56-5)
  • 用途一:草酰乙酸二乙酯是除草剂咪唑乙烟酸的中间体。
  • 用途二:有机合成中间体，用于生产白内停。
  • MOL 文件:108-56-5.mol
  • 方法一:相应的草酰乙酸分子式为C 4 H 5 O 5 ，132.07，CAS E328-42-7]。 其制备方法是在三口瓶中加入乙酸乙酯、草酸乙酯和乙醇钠，反应得到草酰乙酸二乙酯盐，再进行酸化得到草酰乙酸二乙酯。
  • MSDS 信息:Diethyl oxalacetate(108-56-5).msds
  • 方法二:由草酸二乙酯与乙酸乙酯在乙醇钠存在下缩合而得。
  • 草酰乙酸二乙酯价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2014/06/02 O0073 草酰乙酸二乙酯 Diethyl Oxalacetate 5G 940元 2014/06/02 O0073 草酰乙酸二乙酯 Diethyl Oxalacetate 25G 2760元
  • 下游产品:喹啉酸 --> 羟基嘌呤 --> 灭草烟 --> 2-氨基-6-羟基嘧啶-4-羧酸 --> 5-甲基吡啶-2,3-二羧酸
  • 上游原料:乙醇 --> 乙酸乙酯 --> 乙醚 --> 钠 --> 草酸二乙酯 --> 乙醇钠 --> 草酰乙酸

系列性分类

  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Carbonyl Compounds 羰基化合物
  5. Esters - Carbonyl Compounds

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