27620-10-6

A solution of a mixture of butyronitrile, NaOH and hydroxylamine hydrochloride in 95% ethanol and water was refluxed Heat for 12 hours. The solvent was removed in vacuo, the oily residue was dissolved in chloroform , and insoluble NaCl was removed by filtration. The filtrate was concentrated in vacuo to give N-hydroxybutyramidine as a colorless oil.