网站首页  英汉词典

请输入您要查询的英文单词:

 

单词 Phosphorous chloride
释义

Phosphorous chloride

中文百科

三氯化磷 Phosphorus trichloride

(重定向自Phosphorous chloride)

三氯化磷,分子式:PCl3。一种无色透明液体,沸点76℃,在潮湿空气中能水解成亚磷酸和氯化氢,发生白烟而变质,须密封贮藏。

PCl3 + 3H2O → H3PO3 + 3 HCl

遇乙醇和水起水解反应,

遇氧能生成三氯氧磷。

2PCl3 + O2 → 2 POCl3

在水存在下,可与甲醇反应生成亚磷酸二甲酯。

反应分两步进行:
1.PCl3 + 3H2O → H3PO3 + 3HCl
2.H3PO3 + 2CH3OH → HOP(OCH3)2 + 2H2O

总反应为

PCl3 + 2CH3OH + H2O → HOP(OCH3)2 + 3HCl

英语百科

Phosphorus trichloride 三氯化磷

(重定向自Phosphorous chloride)

Phosphorus trichloride is a chemical compound of phosphorus and chlorine, having the chemical formula PCl3. It has a trigonal pyramidal shape. It is the most important of the three phosphorus chlorides. It is an important industrial chemical, being used for the manufacture of organophosphorus compounds for a wide variety of applications. It has a P NMR signal at around +220 ppm with reference to a phosphoric acid standard.

随便看

 

英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2024 encnc.com All Rights Reserved
更新时间:2025/6/16 20:55:27