152  Solubility  and  Estimation  of  Paraffin.  {AmMrarchal189rm• 
a-amyl  nitrite  is  a  pale  yellow  liquid  having  a  not  disagreeable  odor, 
and  producing  when  inhaled  the  characteristic  nitrite-effect.  Its  phy- 
siological action  is  being  investigated  by  Professor  Cash. — Phar. 
Jour,  and  Trans.,  Dec.  22,  1888,  p.  487. 
SOLUBILITY  AND  ESTIMATION  OF  PAEAFFIN.1 
By  B.  Pawlewski  and  J.  Filemonowicz. 
The  following  table  gives  the  solubility  at  20°  of  ozokerit  paraffin 
of  sp.  gr.  0-9170  at  20°,  melting  at  64-65°,  and  solidifying  at  61-63°  : 
Solvent. 
Paraffin  (grams,) 
disolved  by 
100  grams 
100  cc 
Weight  of  sol- 
vent required  to 
dissolve  com- 
pletely 1  part  of 
paraffin. 
Carbon  bisulphide  
Light  petroleum  up  to  75°  C  sp.  gr 
07233  
Turpentine  oil,  sp.  gr.  0-857 ;  b.  p.  158— 
166°   
Cumene  (comm.),  up  to  160°,  sp.  gr.  = 
0'867   
Cumene  (frac.),  150—160°,    sp.  gr. 
0-847   ..  
Xylene  (comm.),  135—143°,  sp.  gr.  = 
0'866   
"Xylene  (frac.)  136—138°,  sp.  gr.  ==  0'864.... 
Toluene  (comm.),   108—110°,  sp.  gr.  = 
0-866  
Toluene  (frac),  108*5— 109'5°,  sp.  gr.  = 
0-866  
•Chloroform  
^Benzene  
Ethyl  ether  ,  
Isobutyl  alcohol  (comm.)  sp.  gr.  =0'804, 
Acetone,  55 -5— 56*5°,  sp.  gr.  =  0797  + 
Ethyl  acetate  
Ethyl  alcohol,  99-5°  Tr  
Amyl  alcohol,  127—129°,  sp.  gr.  =0-813... 
Propionic  acid  2 
Propyl  alcohol  
Methyl  alcohol,  65-5—66-5°,  sp.  gr. 
0-798  
Methyl  formate  
Glacial  acetic  acid  
Ethyl  alcohol,  94-5°  Tr  
Acetic  anhydride  
Formic  acid  (crvst)  
Ethyl  alcohol,  75°  Tr  
12-99 
11-73 
6'06 
4-28 
3-99 
395 
439 
3-83 
3-92 
2-42 
1-99 
1-95 
0  285 
0-262 
0.238 
0-219 
0-202 
0-165 
0-141 
0071 
0-060 
0-060 
0-046 
0-025 
0-013 
0  0003 
8-48 
5-21 
3-72 
3-39 
3-43 
3  77 
3-34 
3-41 
3  61 
1-75 
0-228 
0*209 
0-164 
0-056 
0-063 
0-015 
7-6 
8'5 
161 
23-4 
250 
25-  1 
22-7 
26-  1 
25-5 
41-3 
50-3 
50-8 
3520 
378-7 
4190 
4536 
49S-3 
595-3 
709  4 
1447.5 
1648.7 
1668-6 
2149-5 
3856-2 
7689-2 
330000-0 
1  Berichte  d.  D.  Ch.  Ges.,  xxi.,  p.  2973;  reprinted  from  Jour.  Chem.  Soc, 
1 889,  p.  82. 
