What are the reducing substances in the potassium permanganate test used in methanol analysis?

2009-03-22View Original

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What are the reducing substances in the potassium permanganate test used in methanol analysis?

Reply #22009-03-22

Mainly methyl formate； and some aldehydes, mainly acetaldehyde

Reply #32009-03-22

Isobutyraldehyde, acrolein, diisopropylmethane, formic acid, unsaturated hydrocarbons, etc., as well as various impurities that increase conductivity such as amines, acids, and metals, are easily oxidized due to the presence of carbon-carbon double bonds and carbon-oxygen double bonds. (Excerpt from Kaimu’s article)

Reply #42009-03-23

It refers to the substances containing unsaturated bonds in crude methanol. The vast majority has been removed in the pre-tower. Such as esters, ethers, aldehydes, and CO. Higher alcohols are recovered in three columns

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