CHNCHCHO

CHNCHCHO is a chemical formula that represents acrolein, also known as propenal. It is an unsaturated aldehyde with the chemical formula C3H4O. Acrolein is a colorless, volatile liquid with a pungent, irritating odor. It is highly reactive due to the presence of both an aldehyde group and a carbon-carbon double bond.

Acrolein occurs naturally in small amounts as a byproduct of lipid peroxidation in biological systems. It is also formed during the combustion of organic materials, including wood, tobacco, and fuels. Industrially, acrolein is primarily produced by the catalytic oxidation of propylene.

Due to its reactive nature, acrolein is a significant industrial intermediate. It is used in the synthesis of various chemicals, including acrylic acid, methionine (an essential amino acid used in animal feed), and other polymers and resins. It also finds application as a biocide and fumigant.

However, acrolein is also a potent irritant and lachrymator, affecting the eyes, skin, and respiratory system. Exposure can cause burning sensations, coughing, and difficulty breathing. In higher concentrations, it can be toxic. Its presence in air pollution, particularly from vehicle exhaust and industrial emissions, is a concern for public health.