原甲酸三乙酯 Triethyl orthoformate
（重定向自Ethyl orthoformate）
![结构](/Images/godic/202501/11/Triethoxymethane.svg5547.png")
![球棍模型](/Images/godic/202501/11/Triethyl-orthoformate-3D-balls5547.png")
![](/Images/godic/202501/11/Bodroux-Chichibabin_aldehyde_synthesis_of_n-hexaldehyde5547.png")
![](/Images/godic/202501/11/Synthesis_of_triethyl_orthoformate.svg5547.png")
原甲酸三乙酯是一种原酸酯化合物，结构式HC(OC2H5)3。
无色透明澄清有刺激性气味的液体。微溶于水且遇水分解；与乙醇、乙醚混溶。低毒。
Ethyl orthoformate
中文百科
英语百科
Triethyl orthoformate 原甲酸三乙酯
（重定向自Ethyl orthoformate）
![Ball-and-stick model](/Images/godic/202501/11/Triethyl-orthoformate-3D-balls5548.png")
Triethyl orthoformate is an organic compound with the formula HC(OC2H5)3. It is a colorless volatile liquid. It is orthoester of formic acid. Commercially available, the industrial synthesis is from hydrogen cyanide and ethanol.
It may also be prepared from the reaction of sodium ethoxide and chloroform: