Crotonaldehyde appears as a clear, colorless to pale yellow liquid with a strong and suffocating odor. It is also known as 2-Butenal and 3-Methylacrolein. At room temperature it is extremely flammable and produces toxic vapors. Crotonaldehyde can be found naturally in emissions of specific vegetation and volcanoes and also many in foods in small amounts. Commercially crotonaldehyde is produced by aldol condensation from acetaldehyde. It has poor solubility in water. But it is easily soluble ... Read more
