Carbon Compounds in Concentrated Solutions. 



219 







Water, 



, ordinary distilled. 









Urea 60. 



Solvent. 



Solute. 



p 



P' 



p-p 



TO 3 



TO 4 



t° 



From Kahlbauni. Ke- 



17-08 



22-59 



0-742 



0-537 



0-205 



62-3±l-2 



73-7±l-2 



32-3° 



crystallized from C 2 H 5 



16-40* 



22-48 



0-377 



0-267 



0-110 



59-7±l-6 



71-2±2-2 



41-3 



OH. Dried on steam 



15-59* 



23 12 



0-549 



0-381 



0-168 



60-6±l-8 



73-0±l-9 



i i 



radiator to avoid de- 



















composition. 



















Resorcinol 110. 



















From Kahlbauni. 4*40 



13-69 



21-24 



0-668 



0-566 



0-102 



155 ±3 



168 ±6 



32-3° 



grams lost 0" 0005 gram 



13-52 



27-66 



0-480 



0-393 



0-087 



166 ±4 



184 ±4 



1 i 



in partial vacuum over 



13-73* 



25-87 



0-492 



0-412 



0-080 



175 ±9 



191 ±9 



41-3 



H 2 S0 4 . No further 



14-70* 



27-65 



0-651 



0-540 



0-111 



165 ±9 



182 ±9 



a 



purification. 























Methyl alcohol 











FromKahlbaum. Treated with. CaO for 24 hrs. Distilled off . Boiling point = 



=65-0°. Bar. =762 



Urea 60. 



26-26 



6-34 



3-933 



3-506 



0-427 



63-1 ±2-4 



66-9±3-0 



28-0° 





26-78 



6-99 



3-455 



3-035 



0-418 



60-6±2-3 



64-7 + 2-4 



i 1 





26-10 



10-32 



8-435 



6-633 



1-802 



46-6±2-2 



52-6±2-3 



44-2 



Acetanilid 135. 



















From Kahlbaum and 



22-81 



11-73 



4-243 



3-710 



0-533 



117 ±3 



123 ±4 



31-2° 



from Eimer and Amend. 



23-47 



11-72 



3-988 



3-508 



0-480 



117 ±5 



125 ±4 



32-0 



In partial vacuum over 



20-47* 



18-06 



3-642 



2-809 



0-833 



95 ±7 



109 ±7 



42-3 



H 2 S0 4 , 3 '81 grams lost 



19-30* 



19-67 



5-878 



4-336 



1-542 



92+6 



107 ±6 



43-7 



less than O'OOl gram 



19-21 



19-77 



14-08 



10-58 



3-50 



100 +4 



118 ±4 



44-2 



in 24 hours. Dried in 



















air bath at 100°. 



















Naphthalene 128. 



















From Merck, marked 



















highest purity, medici- 



42-34 



3-067 



3073 



2-992 



0-081 



85 +17 



87 +17 



28-5° 



nal. Not further puri- 



28-84 



5-71 



8-304 



7-718 



0-586 



83 ±12 



86 ±12 



44-8 



fied. In partial vacuum, 



28-16 



5-44 



7-894 



7-307 



0-587 



77 ±10 



80 ±10 



a 



4-79 grams lost 0*05 



















gram in 24 hours. 























Ethyl alcohol. 











From Kahlbaum or Merck. 



Marked absolute. Not further purified. 





Acetanilid 135. 



27-15* 



7-05 



1-420 



1-315 



0-105 



150 +4 



166 ±5 



21-5° 





2353 



9-732 



2-193 



1-932 



0-261 



141 +9 



150 ±9 



31-5 





27-73* 



10-95 



2-606 



2-280 



0-326 



127 ±4 



136 ±7 



32-5 





27-51* 



14-83 



5-119 



4-350 



0-769 



140 ±2 



152 ±6 



425 



Acenaphthene 151f.. 



















FromKahlbaum. White 



















crystals. Powdered and 



29-44 



1-082 



3-301 



3-229 



0-072 



76 ±30 



76 ±30 



27-6° 



dried on steam radia- 



29-10 



2-069 



3-856 



3-749 



0-107 



115 ±53 



115 ±47 



44-0 



tor. Turned yellow on 



















exposure to light. 



















Naphthalene 128. 



29-31 



2-425 



2-128 



2-065 



0-063 



125 ±34 



128 ±34 



27-7° 





27-55 



6-350 



7-892 



7-428 



0-464 



170 ±38 



176 ±33 



44-8 





25-94 



6-107 



6-055 



5-580 



0-475 



127 ±18 



132 ±18 



45-5 



Urea 60. 



29-84 



1-659 



1-509 



1-442 



0-067 



55 ±9 



57 ±10 



27-0° 





29-88 



2-418 



3-682 



3-410 



0-272 



47 ±7 



49 ±7 



43-7 



* With a somewhat different apparatus. 



