404 



Diethyl-Ethylbenzylmalonate 



Temperature-interval : 



Dimethyltartrate. 



-^ in 

 dt 



Erg: 



between —20^ and 0- 



0° 

 26" 

 66^ 

 106^ 

 126= 

 146° 

 166' 



26° 

 66° 

 106° 

 126'' 

 146° 

 166° 

 206° 



cannot be deter- 

 mined indepen- 

 dently of the vis- 

 cosity. 



5,2 



3J 



2,25 



2,6 



2.7 



2,75 



3,85 



Above 166° a slow decomposition begins 

 to make itself perceptible. 



o-Nltroanisol. 



between 0° and 45^ 1,61 



45= „ 172' 2,29 



172' „ 192' 2,82 



192' „ 212= 4,45 



Above 170= a gradual decomposition 



sets in, which proceeds very slowly. 



Temperature-interval: 



between 45= and 117= 

 117° „ 160° 

 160° „ 210= 



Of* 



— in Erg: 



2,08 

 1,77 

 1,53 



Diethyltartrate. 

 between 25° and 74°,3 2,75 



74° „ 213° 2,35 



Methylsalicylate. 

 between —19,^8 and 212° 2,30 



between 



Ethylsalicylate. 

 0° and 212= 



2,23 



Methylcinnamylate. 

 between 45° and 210°,9 2,44 



Phenetol. 

 between —12° and 0° 2,0 



0= „ 74°,3 2,29 



74° „ 160° 2,13 



The curve is almost a straight line, 

 dfi 



with 



di 



= 2,14. 



Guajacol. 

 between 26° and 146° 

 146° „ 206° 



2,17 

 2,66 



Phenylsalicylate. (Salol). 

 between —20° and 211°, 6 2,43 



Resorcine-Monomethy tether. 

 between —20° and 0° cannot be deter- 



