acrolein

chemical compound

Also known as: 2-propenal

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July 23, 2026

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Acrolein, also known as acraldehyde, is a colorless, pungent liquid aldehyde with the chemical formula C₃H₄O. It is characterized by its sharp, irritating odor. Acrolein is primarily used in organic synthesis. The name "acrolein" is derived from Latin words meaning "sharp" and "oil," reflecting its acrid nature. It was first used around 1857. Acraldehyde is an alternative name for acrolein.12

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aldehyde
Nomenclature of aldehydes
…IUPAC name is 2-propenal, is acrolein, a name derived from that of acrylic acid, the parent carboxylic acid.
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…IUPAC name is 2-propenal, is acrolein, a name derived from that of acrylic acid, the parent carboxylic acid.
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fat
Physical and chemical properties
…decompose, with the formation of acrolein (the decomposition product of glycerol), which imparts the characteristic pungent odor of burning fat. Hydrocarbons also may be formed at high temperatures.
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…decompose, with the formation of acrolein (the decomposition product of glycerol), which imparts the characteristic pungent odor of burning fat. Hydrocarbons also may be formed at high temperatures.
Read More