Chemistry and Physics. 377 
lin, C(C,H)(CH,),.- -~-CO-.-C,H,, having a specific gravity of 
0°845 at 0° and boiling at 150°5° to 157°5°. By the oxidation of 
these pinacolins, they are split up, the CO group remaining with 
i The author is continuing the investigation.— 
Liebig’s Annalen, elxxviii, 103, Aug., 1875. a 
4. Salylic acid identical with Benzoie—In 1860, Kolbe and 
Lautemann reduced chlorsalylic acid with sodium amalgam and 
obtained an acid which they called salylic acid, and which, though 
the formula was identical with that of benzoic acid, the authors 
believed, on account of the behavior of the acid and its salts, to be 
only an isomer of this acid. This opinion having been called in 
’ 
ater, Korpe has 
for the reduction 
a kilogram of chemically pure chlorsalylic acid. eavy sandy 
exact neutralization, whereby the liquid becomes reddish-yellow. 
how a few enbic centimeters be added to the liquid to be titered, 
disap ars again when the soda is added in the slightest excess. 
The nal reaction is sharp and the results are muc better than 
with litmus.——-J. pr. Ch., Ul, xii, 157, July, 1875. 
