400 



VIII. 



IX. 



Methylsalicylate 



CeH^iOm.CO.OCHs . 

 (1) (2) 



3 



u 



Maximum Pressure H 



\n mm. mer- 

 cury of 

 0^ C. 



in Dynes 



Surface- I Molecular 



tension / ! Specific . j surface, 

 in Erg. pro gravity d.o energy y- in 

 cm2. jErg. procm^, 



-19.8' 

 0.3 



' 25 



' 45 

 74.7 

 94 



114.5 

 135.2 

 160.5 

 192.9 

 212.2 



1.518 

 1.436 

 1.372 

 1.303 

 1.193 

 1.124 

 1.031 

 0.968 

 0.867 

 760 

 0.696 



2023.8 

 1914.8 

 1829.0 

 1737.2 

 1590.1 

 1498 2 

 1374 2 

 1290.5 

 1155.9 

 1013.7 

 928.1 



44.2 

 41.8 

 39.1 

 37.1 

 33.9 

 31.9 

 29.8 

 27.9 

 24.9 

 21.8 

 19.8 



1.220 

 1 



202 

 1.179 

 1.158 

 1.128 

 1.110 

 1.092 

 1.073 

 1.050 

 1.021 

 1.003 



1102.9 

 1053.4 

 998.1 

 956.4 

 891.7 

 848.3 

 801.2 

 758.4 

 686.7 

 612.6 

 562.9 



Molecular weight: 152.06. 



Radius of the Capillary tube :0.04439 cm.; 

 in the observations, indicated by *, it was 

 0.04352 cm. 

 Depth: 0.1 mm. 



The substance boils at 217.' 6 C. constantly; it can be undercooled 

 as far as — 50^ C, and crystallizes to a solid mass, which melts at 

 ^ 16° C. At the boilingpoint x is: 19.3 Erg. pro cm^. The density at 

 25° C. is: d.o= 1.1787; at 50' C: 1.1541; at 75'' C: 1.1285. At r C: 



c/40 = 1.2023-0.000924 ^—0.0000008 f. 



