MOLECULAR CONSTITUTION OF THE ORGANIC BASES. 
377 
are the following : — 
Theory. 
A. 
Experiment. 
I equiv. of Methylodiethylamylammonium . . 158*00 43*50 
3 equivs. of Chlorine 106*50 29*33 
1 equiv. of Platinum 98*68 27*17 
27*29 
1 equiv. of Platinum-salt . 363*18 100*00 
Action of Heat upon Oxide of Methylodiethylamylammonium. 
When submitted to distillation this compound is decomposed like the analogous 
substances, the product being water, pure olefiant gas, which was identified as formerly, 
and a very remarkable nitrile-base, containing the three different alcohol-radicals, an 
ammonia, in fact, in which the first equiv. of hydrogen is replaced by methyl, the 
second by ethyl, the third by amyl, and which receives the name methylethylamyl- 
amine. 
C2 H3 1 
C. H. ‘ 
C4 H 
CioH 
|>NO, HO=2HO-|- 
I 
Co H, 
C4 H5 
i Cjo Hji 
^N-i-C.H, 
This reaction shows that ethyl yields its place even to methyl, a fact which could 
not have been anticipated from analogy, methyl occupying a lower position than 
ethyl in the system. The above deportment is moreover remarkable, when con- 
sidered in another point of view. The elimination of methyl in the case under 
examination would have given rise to the formation of methylene* Cg Hg, a substance 
the existence of which is still very problematical. 
Methylethylamylamine is a transparent oil of a fragrant odour and an analogous 
taste. Both these properties are much more marked than those of diethylamylamine, 
which it resembles in most respects. It is somewhat more soluble in water than the 
latter, and of a more decided alkaline character. When dried over potassa and rec- 
tified, the new base boils constantly at 135°. Hence its boiling-point is 154— 135 = 19° 
lower than that of diethylamylamine, a difference which is in perfect accordance 
with H. Kopp’s rule. 
Methylethylamylamine dissolves but slowly in the acids, forming salts which re- 
semble those of the diethylamylated bases. The hydrochlorate gives with bichloride 
of platinum a beautiful double salt, which is extremely soluble in water. It is 
usually precipitated on mixing the highly concentrated solutions, or on evaporating 
the mixture, in oily globules of a deep orange-yellow, which gradually solidify into 
magnificent needles. 
* In their paper on Methylalcohol, Dumas and Peligot (Ann. Ch. Phys. [2] Iviii. 5) state that methylene 
is formed bypassing the vapour of chloride of methyl through a red-hot tube. The gas obtained by this process 
did not however very accurately exhibit the composition Hn, nor are any experiments for the determination 
of the value of n recorded. 
