134 Journal of the Asiatic Society of Bengal. [March, 1913. 
practicable. Next the temperature of the bath was regulated 
to 23° C and the gas generated was found to be 25 c.c at 23°C. 
lated percentage for C,H,N_H., HC1 is 19°37. 
aa ees the substance is pure phenylhydrazine hydro- 
privet wee different experiments, Adding Seiad of pepe 
of shen thea, been performed, and the ratio of the molecules 
and nes = wk phenylhydrazine hydrochloride, benzene 
the li Ae n has been found to be 2: 1: 1:1 varying within 
taad es Wee cy, error. Blank experiments have 
) determine whether stannic chloride decomposes 
Sar ylhydrazine hydrochloride or not, and it has been ound 
at it has no action under ordinary conditions. 
The vadou “ase ea ak. cs saa 
RiP ies pOrinidiian' pressure of the benzene liberated by the reaction has 
a ae eotien Ptagrove in the calculation and the figures for nitro- 
yielded similar peaaile: eee Nigh, Reversl: otter, deter 
