Formaldehyde (/ fɔːrˈmældɪhaɪd / ⓘ for-MAL-di-hide, US also / fər -/ ⓘ fər-) (systematic name methanal) is an organic compound with the chemical formula CH2O and structure H2C=O. The …

Jul 7, 2025 · Formaldehyde is a chemical used widely by industry to manufacture building materials and numerous household products. It is also a by-product of combustion and certain other natural …

Oct 14, 2025 · Formaldehyde is toxic to humans, causing respiratory side effects and increasing the risk of certain cancers. Learn when exposure may be dangerous.

A fact sheet that discusses formaldehyde and its possible association with cancer. Includes resources for more information.

When you breathe air containing formaldehyde, most of the formaldehyde is quickly broken down in the cells lining your respiratory tract and breathed out. Only at high levels does formaldehyde enter your …

Apr 8, 2025 · Formaldehyde, present in many household products, is generally not harmful in small amounts but can cause irritation of the skin, eyes, nose and throat, especially in sensitive individuals.

Dec 12, 2025 · formaldehyde (HCHO), an organic compound, the simplest of the aldehydes, used in large amounts in a variety of chemical manufacturing processes. It is produced principally by the …

Mar 21, 2025 · Formaldehyde is a colorless organic compound known for its sharp, distinctive odor. It is highly flammable and serves multiple purposes, including as a preservative, adhesive, and chemical …

Formaldehyde is a colorless, strong-smelling chemical used in some building materials and household products. Learn about formaldehyde and cancer risk here.

Nov 2, 2023 · Formaldehyde is a colorless and flammable gas with a distinct odor detectable at very low concentrations. It is a volatile organic compound (VOC) that causes cancer and other harmful health …