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四氯乙烯 - Wikipedia

四氯乙烯

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四氯乙烯
四氯乙烯 四氯乙烯
一般性质
IUPAC命名法 1,1,2,2-四氯乙烯
其他名字 全氯乙烯、PCE
分子式 C2Cl4
分子量 165.8 g/mol
外观 无色透明液体
CAS号 127-18-4
性质
密度相态 1.622 g/cm3, 液体
中的溶解度 0.015 g/100 ml (20 °C)
丙酮乙醚氯仿中的溶解度 互溶
熔点 −19 °C (254 K)
沸点 121.1 °C (394 K)
粘性 0.89 cP (25 °C)
闪点 不可燃

四氯乙烯,又称全氯乙烯,是一种有机化学品,被广泛用于干洗和金属除油,也被用来制造其他化学品和消費品。

室温下是不易燃的液体。容易挥发,有刺激的甜味。很多人在空气含有百万分之一四氯乙烯的事后就可以闻到。

1821年麥可·法拉第第一次加热六氯乙烷使之分解为四氯乙烯和氯气。

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