38o 
Pelargonium  Oil. 
(  Am.  Jour.  Pharm. 
\       June,  1921. 
CLVII,  1871,  p.  232)  ;  rose-oil,  from  Rosa  damascena  Mill.  (Ber- 
tram and  Gildemeister,  Journ.  prakt.  Chem.,  IL,  1894,  p.  184)  ; 
ylang-ylang-oil,  from  Anona  odoratissima  (Reychler  in  Bull.  Soc. 
chem.,  Ill,  1894,  p.  1051)  •  Yu-ju-oil,  from  a  lauracea  (Nagai  in  Mo- 
nopoly Bureau,  Government  of  Formosa  19 14,  Ref.  in  Schimmel's 
Ber.,  1915,  I,  p.  43)- 
PHYSIOLOGICAL  EFFECTS  OF  THE  GERANIOL. 
Hildebrandt  (Arch.  f.  experim.  Pharm.  u.  Pathol.,  XXXXV, 
1901,  p.  121)  injected  geraniol  into  the  blood  of  white  mice  and 
noticed  already  at  an  injection  of  0.05  gr.  signs  of  poisoning.  As  a 
product  of  transformation  the  same  author  found  in  conies  a  two- 
basic  acid  of  the  melting  point  of  from  1920  to  1940  C.,  which  may 
have  the  formula  CioH1404,  and  which  may  be  constructed  in  this 
way: 
CH3  CH3 
\/ 
C 
II 
CH 
\ 
CHOH  CH2 
\  I 
H2C  CH 
\/ 
C 
I 
COOH 
The  isolation  of  L.-Citronellol,  Ci0H20O,  from  the  pelargonium- 
oil  was  accomplished  by  Tiemann  and  Schmidt  ( Ueber  die  Verbind- 
ungen  der  Citronellol-reihe,  in  Ber.  Detsch.  chem.  Ges.,  XXIX,  1896, 
p.  921).  It  is  the  left  form  as  also  in  the  true  rose-oil.  In  the  true 
rose-oil  its  polarization  amounted  to  40  20'  in  the  1  dm.  reed.,  in  the 
Spanish  pelargonium-oil  to  i°  12',  in  the  African  to  i°  20',  in  the 
Reunion-oil  to  2°  15'. 
Linalol,  Ci0H18O,  akin  to  the  two  preceding  alcohols,  was  first 
identified  by  the  chemists  of  the  firm  Schimmel  &  Co.  (Schimmel's 
Ber.,  1904,  I,  p.  51)  in  the  Reunion-oil.  Its  boiling  point  under  a 
pressure  of  760  mm.  is  near  1980  and  2000  C.  The  proof  of  the  ex- 
istence of  linalol  in  Reunion-oil  was  brought  out  by  the  same 
authors  (Schimmel,  Ber.,  1910,  if,  p.  51). 
