Chemistry and Physics. 117 
IJ. Cuemistry anp Puysics. 
lnvestigation, is obtained by bringing stibmethyl, Sb Mes, into contact 
with iodid of methyl, when the two soon unite to form the iodid as a 
white erystalline mass, easily purified by crystallization, If this iodid 
be distilled with antimoniuret of potassium in a vessel filled with car- 
onic acid gas, an oily liquid, heavier than water and igniting in the 
aif passes over, which the author considers as the isolated radical stib- 
methylium Sb Mes, Stibmethylium forms with one equivalent sulphur, 
lorine, bromine, iodine or oxygen, compounds which possess t 
may be heated to 100? or 140° C. without change, unless the action of 
heat is long continued : heated to 180°-200° they begi and 
then take fire and burn with a voluminous white flame. e com: 
Pounds of -stibmethylium exert no poisonous action on the animal econ- 
omy; the author swallowed two grains dissolved in water without 
*kperiencing any ill effects, The oxyd of stibmethylium is prepared 
by reating a solution of the iodid with oxyd of silver, quickly filtering 
‘assim and ; re g of 
The 28s and soluble in water and.alcohol. ‘The formula is Sb MesS. 
a lodid of stibmethylium crystallizes in the hexagonal system and 
peg beantiful 6-sided tabular crystals. |! 
US With iodid. potassium,—w.6.] The chlorid of the new radical 
The > stalline powder represented by the formula, Sb MesCl+-Pt Cle. 
The sulphate of stibmethylium forms large celorless tals which 
