The decomposition of pyruvic acid into acetaldehyde and carbon dioxide has already been fully discussed (Chapter VI).
Starting in the one case with fused paraldehyde, and in the other case with acetaldehyde, the same freezing point, viz.
For this reason it is possible to determine the freezing point curves of acetaldehyde and paraldehyde.
This is in harmony with the fact that the polymerisation of acetaldehyde is accompanied by evolution of heat.
acetaldehyde is not of much importance in itself, but is useful as a transition.
acetaldehyde, which is halfway between alcohol and acid, may also be easily oxidized to acetic acid.
The substance investigated was acetaldehyde, C2H4O, in its relation to paraldehyde, a polymeric modification.
acetaldehyde ac·et·al·de·hyde (ās'ĭ-tāl'də-hīd')
A colorless, flammable liquid formed during ethanol metabolism and yeast fermentation of organic compounds and used to manufacture acetic acid and drugs. Also called aldehyde, ethaldehyde.