228 PROCEEDLNGS OF TUE AMERICAN ACADEMY 



Action of an Excess of Aniline on the Original Product. 



If the immediate product of the action of phosjjhorous trichloride 

 and aniline, or tliis product after it has been heated, is boiled for 

 Bome time with an excess of aniline, there results a mixture of various 

 substances from wliich we have succeeded in isolatins: the oranne-red 

 substance and 2>hosphorous anilid already described, chloride and 

 phosphite of aniline, and a crystalline substance melting at 208°. 

 There seems to be also a substance with a higher melting-point, and 

 on one occasion a body melting at 150° was obtained; unfortunately 

 we were obliged to break off work on this part of the subject before 

 we had done more than analyze the two substances melting at 2<)h° 

 and 150° respectively, so that we have as yet no satisfactory data 

 for determining their constitution, and also have been able to make 

 no exhaustive search for other products. 



Substance melting at 208°. This compound is obtained from the 

 mixed products of the reaction by washing out the soluble salts with 

 water, extracting the residue with hot alcohol, and purifying the 

 extract by crystallization from alcohol, till it shows a constant melt- 

 ing-point. It was dried at 100° and analyzed. 



1. 0.3352 gr. gave 0.8032 gr. of carbonic dioxide and 0.1770 gr- 



of water. 

 II. 0.294G gr. gave 0.7047 gr. of Ciirbonic dioxide and 0.1520 gr. 

 of water. 



III. 0.2528 gr. gave 0.1200 gr. of magnesic pyrophosphate. 



IV. 0.2492 gr. gave 0.1200 gr. of magnesic pyrophosphate. 



V. 0.3424 gr. gave 40.44 c.c of nitrogen at a temperature of 20°. 5 

 and a pressure of 757.3 m m. 



1. ir. III. IV. V. Mean. 



.Carbon G5.34 G5.24 _ — _ G5.29 



Hydrogen 5.86 5.73 _ _ — 5.79 



Phosphorus — — 13.25 13.47 — 13.36 



Nitrogen _ _ _ _ ]3.38 13.38 



The.^e results agree most nearly with the formula (Cgll.NH)^?^©!!^, 

 but are not far removed from (Cgll NII)-P30.,H2, as is shown by the 



