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Boffis
International Hazard
Posts: 1867
Registered: 1-5-2011
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I have very recently used sodium dichromate and dilute sulphuric acid to oxidizes 2-pentanol to 2-pentanone on a roughly 0.5 molar scale. I obtained a
70% yield after distillation and encountered no particular difficulty. Pleased with the result. 2-pentanol was not completely miscible with the
aqueous phase but with vigorous stirring this doesn't appear to be a big problem. For less water miscible materials acetic acid a suggested above is
probably the way to go but remember to check the Bps are sufficiently different to allow isolation of the product.
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chornedsnorkack
National Hazard
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Registered: 16-2-2012
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Tracking oxygen is actually the definition of Chemical Oxygen Demand. Which has been moved from KMnO4 to K2Cr2O7 as oxidant.
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