436 
DE. A. W. HOI^IAXS" OX THE PHOSPHOEUS-BASES. 
^ following values : — 
Theory. 
1 equiv. of Phenyl-compound 
. 253 
75 -T 6 
1 equiv. of Hydrogen . . . 
. 1 
0-29 
1 equiv. of Bromine . . . 
. 80 
23-95 
1 equiv. of Bromide . 
. 334 
100-00 
Experimeut. 
24-31 
Platinum-salt . — The solution of the chloride furnishes with dichloiide of platinum a 
light-yellow crystalline precipitate. Dilute solutions slowly deposit this salt in some- 
what better-formed crystals, which are frequently grouped in lily-shaped aggi'egations. 
0-4690 grm. of platinum-salt, heated with carbonate of sodium, gave 0-0995 grm. of 
platinum and 0-4505 grm. of chloride of silver. 
The formula 
' (CS)" 
] " 
Ci3 H2iNPSPtCl3=r: 
HCC^Hs)^ 
Inp 
Cl, 
PtCri 
requires the following values : — 
L (C2H3)(CeH3)J J 
Theory. 
A 
Experiment. 
r 
1 equiv. of Phenyl-compound . 253 
55-11 
1 equiv. of Hydrogen . 
. . 1 
0-21 
1 equiv. of Platinum 
. . 98-7 
21-49 
21-22 
3 equivs. of Chlorine 
. . 106-5 
23-19 
23-75 
1 equiv. of Platinum-salt 
. . 459-2 
100-00 
I did not succeed in preparing the sulphate or the nitrate of the base. The phenyl- 
compound is rapidly decomposed under the influence of these acids ; it forms, however, 
beautifully crystallized salts with the iodides of methyl and ethyl. I have examined 
only the former of these compounds. 
Iodide-of-Metliyl-com])Ound . — When iodide of methyl is poured into an ethereal solu- 
tion of the urea, the new compound is at once separated as a heavy oil which rapidly 
solidifies into a crystalline mass. The crystals dissolve in boiling water which on cool- 
ing deposits the iodide in splendid needles of a golden-yellow colour. 
These crystals contain 
Ci4 H23 N P S I 
(C S)" 
(c,py(c,H,) 
NP 
I. 
0-3885 grm. of iodide gave 0-2300 grm. of iodide of silver. 
Theoiy. Exporiinent. 
1 equiv. of Phenyl-compound . 
253 
64-06 
1 equiv. of Methyl .... 
15 
3-79 
— 
1 equiv. of Iodine .... 
127 
32-15 
31-97 
1 equiv. of Iodide .... 
395 
100-00 
