160 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Found. 

 I. II 



68.58 

 12.30 



19.77 



The quantity of this monochlor decane was too limited to permit of 

 further determinations, as were also the higher portions for the separation 

 of a dichlor derivative sufficiently pure for analysis. 



Having at hand a small quantity of the distillate 162°, Berea .Grit 

 petroleum, it seemed of interest to ascertain whether it would form a 

 chlorine derivative similar or identical with those of the oils now under 

 examination. 30 grams of the oil absorbed 8 grams of chlorine in forty- 

 five minutes, and when the product was fractioned it gave a small quan- 

 tity at 120°-130° with the composition required for CioHoiCl : — 



I. 0.1931 gram of the substance gave 0.1564 gram AgCl. 



II. 0.1821 gram of the substance gave 0.4486 gram CO2, and 0.1871 



gram HgO. 



Calculated for Found 



CioH,iCl. I. II. 



C 68.00 67.19 



H 11.90 11.41 



CI 20.11 20.04 



The formation of this chlordecane confirms the results published in a 

 former paper * of this series, showing a hydrocarbon C10H22 in Berea 

 Grit petroleum with the boiling point 162°. 



Decane, 173°-174°. 



Above 163° (730 mm.) the absence of single bodies was indicated by 

 the small amounts of distillates to 168°, where the single degree frac- 

 tions began to increase in quantity. Between this point and 173° nearly 

 500 grams collected, the greater portion at 169°-171°, which could not 

 be brought closer together without further purification. After drying 

 over sodium, analysis of this distillate gave the following percentages of 

 carbon and hydrogen : — 



0.1640 gram of the oil gave 0.5151 gram CO.,, and 2083 gram HgO. 



C 85.66 



H 14.11 



* Amer. Cliem. Journ., XVIII. 1. 



