A NOTE ON THE STABILITY OF SOME SUBSTITUTED SEMICARBAZIDES

Recently Baker and Gilbert (J. Amer. Chem. Soc, 1942, 64, 2777) have studied the kinetics of the transformation of hydrazine cyanate into semicarbazide and also of the conversion of semicarbazide into hydrazine cyanate. They have found that increase in ionic strength reduces the velocity of reaction in a manner which agrees with the postulate that the rate determining process is the reaction between the hydrazine and cyanate ions. It has now been considered worth while to make a comparative study of the stability of some substituted semicarbazides.