Aldehyde
Carbon carbon double bond
An aldehyde is a type of organic compound that contains a functional group known as an aldehyde group, which consists of a carbon atom double-bonded to an oxygen atom and also bonded to a hydrogen atom. Aldehydes can be found in many natural substances, including fruits, vegetables, and even in the human body. They are also commonly used in the manufacturing of various chemicals, plastics, and pharmaceuticals.
Aldehydes can be generally classified based on the number of carbon atoms attached to the carbonyl group. For instance, formaldehyde contains only one carbon atom, acetaldehyde contains two, and so on. The most commonly known aldehyde is formaldehyde (HCHO), which is a colorless gas with a pungent odor. Formaldehyde is mainly used in the production of resins, plastics, and textile finishes.
Aldehydes can undergo a variety of chemical reactions, such as oxidation, reduction, addition, and condensation reactions. One of the most important reactions of aldehydes is their ability to undergo nucleophilic addition reactions with various nucleophiles, leading to the formation of different chemical compounds.
In terms of the health effects of aldehydes, some aldehydes, such as formaldehyde, have been classified as carcinogens and need to be handled with care. Prolonged exposure to formaldehyde can cause respiratory problems, eye irritation, and allergic reactions.
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