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異丁烷C4H10介紹

添加時(shí)間 : 2018-03-14 16:14:56

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異丁烷C4H10又叫2-甲基丙烷、三甲基甲烷、高純異丁烷。常溫常壓下為無色、稍有氣味的可燃性氣體，分子量為58.12。熔點(diǎn)-159.4℃。沸點(diǎn)-11.73℃。微溶于水，可溶于乙醇、乙醚等。與空氣形成爆炸性混合物，爆炸極限為1.9%～8.4%（體積）。主要存在于天然氣、煉廠氣和裂解氣中，經(jīng)物理從分離等獲得，亦可由正丁烷經(jīng)異構(gòu)化制得。主要用于與異丁烯經(jīng)烴化制異辛烷，作為汽油辛烷值的改進(jìn)劑。也可用作冷凍劑。

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