( M6 ) 



ten)j)eratiu'e at wliich llie reaction was Iriod was 50°, and llio action 

 of the catalyzers was determined in such a manner that increasing 

 quantitfes of them were added and the composition of the reaction 

 product determined each tin)e. 



A feeble catalyzer was found in antimony Iriliromide as shown in 

 the subjoined table. 



TABLE II. 

 Temp. 50^ ; 50 cM.= toluene + 3 cM." Iti'omine. Dark. 



The (|uantity of henzyiliromide diminishes with increasing quan- 

 tities of the catalyzer but is not inversely proportional; t lie decrease 

 is much less. The proportion of ortho- and ^>a/v7bromotoluene under- 

 goes but a slight modification. 



Ahi.m/'niunihromidc, however, acts very energetically, as veiT small 

 quantities prevent the formation of benzylbromide. The e.xperimeiits 

 were conducted by adding a little ahiminiumpowder to the mi.xture 

 of toluene and bromine, tiiereby converting it rapidly into the 

 bromide. The following tigures were obtainetl : 

 T ABLE 111. 

 Temp. 50'': 50 cM." toluene -|- 2.5 c.M.' bromine. Dark. 



