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.

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 …

Dec 15, 2025 · The US Environmental Protection Agency is proposing a safe exposure threshold for formaldehyde, a chemical intermediate used in the production of consumer products such …

Sep 10, 2025 · Most formaldehyde produced in the United States is for the manufacture of resins, such as urea-formaldehyde, used to make the adhesives for pressed wood products, such as …

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 …

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 …

Jan 11, 2025 · The chemical formaldehyde is found just about everywhere, including in composite lumber, plastics, paints and glues used in many homes and offices.