What is "propionaldehyde"

n. (context organic compound English) The aliphatic aldehyde CH₃-CH₂-CHO; it is used in the manufacture of plastics etc.

n. a colorless liquid aldehyde [syn: propanal]

Propionaldehyde or propanal is the organic compound with the formula CHCHCHO. It is a saturated 3-carbon aldehyde and is a structural isomer of acetone. It is a colorless liquid with a slightly irritating, fruity odor.