Bio n-butanol instead of Ethanol as an extraction solvent?

Seems to be able to increase yields on THC, can be recycled 2-3 more times, and cheaper/not subject to taxation/regulation (excise tax aside) compared to ethanol.

Plus it’s bio-based, has a higher flash point, and is GRAS.

Anyone had actual experience running this solvent? Would love to hear some feedback from operators!

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Boiling point is a bit high, so it would be hard to purge off completely. Maybe this solvent would be a good choice for crystallization, where slow evaporation is beneficial.

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Similar vapor pressure as well

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It forms a very unfortunate 55% azeotrope with water.

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Certainly not as recyclable as ethanol.

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