56 
Colourless viscous liquid boiling-point 168°— 171° in vacuo, pressure 
13 mm. DS —1,0270. NY = 1,51826. 
Mol. refr. 69,08. Cale. for C,, H,,O with one C = C-gronp 70,55. 
As an alcohol it immediately reacts with GRIGNARD-solution and 
with acetylchloride, it discolorizes a bromine-solution. 
Analysis. 
Found °/:C'81,6- and 80)7: ‘Cale. for. C.H, 0*/,C 32:0: 
°/, H12,0 and 11,3. Spee AE 
The principal aim of this investigation was: to demonstrate that 
formaldehyde reacts with a C—C-group in the way as indicated 
in the author’s general scheme for the reactions between unsaturated 
compounds. 
Hilversum, April 1919. 
