﻿530 Mr. F. Burden on the Boiling-points of Organic Bodies. 



also possesses an exceptional density ; but as the published ac- 

 count of these experiments gives the results only at low pres- 

 sures, I am unable to make the same correction as in the case of 

 the above-mentioned acids. 



Table A. — Paraffins. 



Name. 





Specific 



Velocity 



Boiling- 





gravity. 



at0°. 



point. 



C 4 H 10 



29 



1124 



o 



above 



C 5 H 12 



36 



1008 



30 



C 6 H u 



43 



922 



68 



C 7 H 16 



50 



855 



92 



C 8 H 18 



57 



801 



116 



C 9 H 20 



64 



756 



138 



C 10 JJ22 



71 



718 



162 



c n R2i 



78 



692 



182 



C 12 JJ26 



85 



657 



200 



C 13 H 28 



92 



633 



218 



C H JJ30 



99 



602 



240 



C 15 H 32 



106 



584 



258 



Velocity 



at boiling' 



point. 



Quartane 



Quintane 



Sextane 



Septane , 



Octane 



Nonane 



Decane 



Undecane 



Duodecane 



Tridecane , 



Quatuordecane 

 Quindecane . . . 



1136 

 1119 

 1152 

 1143 

 1142 

 1136 

 1142 

 1149 

 1137 

 1143 

 1132 

 1130 



Mean velocity 1138 feet per second. 



Table B. — Olefines. 



Quartene 

 Quintene 

 Sextene ... 

 Septene 

 Octene ... 

 Nonene ... 

 Decene ... 

 Sexdecene 



C 4 H 8 



28 



1143 



3 



C 5 H 10 



35 



1022 



35 



C 6 H 12 



42 



932 



68 



C 7 H 14 



49 



864 



95 



C 8 H 16 



56 



807 



115 



C 9 H 18 



63 



762 



140 



C 10 H 20 



70 



723 



160 



C 16 H 32 



112 



573 



275 



Mean velocity 1 155 feet per second 



1155 

 1153 

 1164 

 1163 

 1152 

 1154 

 1147 

 1150 



Table C. — Other Hydrocarbons. 



Quartine 



Quintine 



Sextine 



Quintone 



Terebenthine 



Metaterebentbine 



C 4 H 6 



27 



1160 



15 



G 5 H 8 



34 



1037 



45 



C 6 h 10 



41 



945 



58 



C 5 H 6 



33 



1053 



50 



C 10 H 16 



68 



733 



161 



C 20 H 32 



136 



520 



360 



1224 



1208 

 1150 

 1144 

 1165 

 1204 



Mean velocity 1182 feet per second. 



Table D. — Aromatic Hydrocarbons. 



Benzine 



Toluene 



Xylene ...... 



Cumene 



Cymene 



Amylbenzine 



C 6 H 6 



C 7 H 8 

 C 8 H 10 

 C 9 H 12 

 C io H u 



C ll H 16 



39 

 46 

 53 

 60 

 67 



n 



968 

 892 

 830 

 781 

 739 

 703 



83 

 111 

 139 

 152 

 175 

 195 



1259 

 1258 

 1253 

 1213 

 1211 

 1265 



Mean velocity 1243 feet per second. 



