Common Aldehydes and Ketones:
Propanone (Acetone)- Chief use is a solvent since it
dissolves in both water and non-polar organics. May be present
in the urine of diabetics. Also used in fingernail polish remover.
Methanal (Formaldehyde) - Used to synthesize methanol
and many plastics such as Bakelite and Melmac. Has antiseptic
properties. Used in embalming and preservation of biological
Ethanal (Acetaldehyde) - Used to synthesize many organics.
If heated with acid it polymerizes into paraldehyde which is
used as an hypnotic and sedative.
Butanal - Fragrance of fresh bread.
3-phenyl-2-propenal (Cinnamaldehyde) - Causes the odor
and flavor of cinnimon.
4-hydroxy-3-methoxy-benzaldehyde (Vanillin) - Flavor
from vanilla beans.