On the Properties of Telluramyl and Selenmethyl. 263 
we were however unable to obtain the same body again, although 
the experiment was repeated several times with every precaution, 
and are therefore unable to conjecture what these crystals were. 
The conclusions which the foregoing experiments seem to 
indicate are as follows: 
Ist. The continued action of nitric acid on an alcohol radical 
containing selenium produces, besides a nitrate of the oxyd of the 
radical, as in the case of selenethyl (according to Joy), and tellur- 
ethyl and methyl, a new acid, probably analogous to the acid. 
produced by the continued action of nitric acid on the compounds 
of sulphur with the radicals ethyl and methyl; the formula of 
. the acid being by analogy OMe , Se2O.:, to which the name 
| of selenomethylic acid might be given. 
| 2ndly. The chlorinated product is probably a simple substitu- 
tion product, in which one atom of chlorine is substituted for one 
atom of oxygen 
TO ¢Se20.+HCl = O16)  Se0.-+HO 
The product which Joy obtained,* by allowing chlorid of 
selenethyl to remain for some time in a solution containing free 
nitro-hydrochloric acid, is without doubt the corresponding body 
of the ethyl series. He was unable to obtain these crystals in 
an arbitrary manner. ‘hey appeared to be an acid, forming a 
crystalline mass with ammonia, which latter was liberated on 
the addition of potassa. ‘I'he formula for the corresponding 
ethyl compound would be er : Se20.. 
H 
The result of his analysis is as follows: 
4 Joy. 
C4 i336 — °° I36 
He 33 — 4: 
Se: 428 
Cl 192 — 20.6 
O; 1°7 
0 
100. : 7 a 2 
_3dly. Treatment with hydriodie and hydrobromic acids gives 
similar products, ak 
4thly. ‘The chlorinated body Oooh tse: O« may either give 
Salts corresponding to the formula 7 * } Sex0. or with the 
oxyd RO may form’? ¢ Se:O, and RCI, the original acid 
es: 
_#® Ann, Cheni. Pharm. bexxvi, 35. 
