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In stage 4, Fig 14, 10-20 ml of ethanol is rinsed from the distillation flask. Can I use another solvent instead of ethanol like methanol or isopropanol? Or can I use ethanol denatured, as cant get ethanol undenatured?

I have to say, thank you for your time and reply. Its just difficult for myself to get NaBH4 and there isnt much infomation how to neutralise NaBH3CN or to watch out for the NaCN. However, I can get Sodium triacetoxyborohydride (NaBH(OAc)3 - STAB). Any tips using this reducer ? I know its a...

Will that be the same ratio or higher amount as its a weaker reducing agent? Should we worried about any of the hydrogen cyanide (HCN) released ? Planning to just run a carbon filter away from work station and down wind, will this be good enough? Of course, wearing air filtered masks at the...