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. …

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 …

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.

Formaldehyde is a chemical used in some building materials and household products like flooring, furniture, and fabric.

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

Feb 6, 2025 · If you suspect you’ve been exposed to formaldehyde, contact a doctor for advice and treatment. Symptoms can range from very minor to very severe and may even be life …

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 …

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 …

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, …