A colorless, combustible, toxic liquid aldehyde, CH2CHCHO, having an acrid smell and vapors aggravating towards the eyes.
A pungent, acrid, toxic liquid aldehyde, CH2=CH-CH=O, made by the destructive distillation of glycerol.
A limpid, colorless, highly volatile liquid, gotten because of the dehydration of glycerin, or perhaps the destructive distillation of basic fats containing glycerin. Its vapors are intensely annoying.
A colorless limpid liquid, CH2CHCOH, having a disagreeable and extremely annoying smell, including that noticeable after the flame of a candle is extinguished even though the wick nevertheless glows.
a pungent colorless unsaturated fluid aldehyde created from propene