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Shitty bromometone = shitty 4mmc :-) you can order on this forum free sample, if you want can recommend you some seller. Just use Heisenberg advices and you will succes with this problem.

Hello curiousbob221, 2bromo4methylpropiophenone is not disolving in water well, 4methylpropiophenone which is precursor of it also do not dissolve in water - In my opinion it is some alkali residue after cleaning this bromoketone. If it is big quantity that you have ordered, maybe you are able...

I found an instruction for synthesis 2-bromo-4-chloropropiohenone: "A solution of 15.9 g (0.1 mol) of bromine in 20 ml of chloroform is added dropwise to a solution of 16.8 g (0.1 mol) of 4'-chloropropiophenone in 100 ml of chloroform, in the presence of a small amount of aluminium chloride...

Which solvent is best for recrystallization 2-bromo-4'-methylpropiophenone? I have tried this method but my 2b4mpp is a little bit dirty - white instead of colorless cristal.