214 Proceedings of tht Royal Irish Academy. 



Dinhenvlamine 



V 

 Diphenylnitrosamine 



4-Ni:ro-diph<rnylniirosamine 2-Nitro-dipbenylnitrosaminei 



4-Xitro-diphenyUniine (2-Xitro-diphenylan ii 



I 

 4lO-Dini;r>-diph<>nylnitrosamin<' - riinilro-diphenylnitrosaniiiie . • -Dinitro-diphenylnitrosimiri ) 



.'initro-diphrryi..iuine - I'initro-diphenylamine i.S-Dinijro-diphenylamine 



-Triiiitro-diphemUn . ■ Trinitro-diphenvlamine 



- 1 < tranitro-diphf-nylamine. 



The compounds, the names of which are enclosed iu bnckete, although 

 prob . fractions were nol isolated by as. 



Experimental. 



'■on 



Two per cent. Bolafci mine in carbon tetrachloride were 



place*! in nve rla.-ks. and t<> these were added quantities of concentrated nitric- 

 acid sp. g. 1.5) correspond: _ 4. and 0' molecular amounts of the acid 



allowed to remain in the stopi-ered flasks 

 at the rooin temperature : rying in length from two to six months, 



and were then examined - milai t" that described in 



our G municati 



1. The colour of the solution to which 1 molecular of nitric acid 



had bet-: vasatfii a _ . gradually changed to dark-brown, 



with .-epar.it he solution of a dark-coloured tarry solid. 



On i" the solvent from the dark-brown carbon tetrachloride 



