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.

Formaldehyde is naturally produced in small amounts in our bodies. It is used in the production of fertilizer, paper, plywood, and urea-formaldehyde resins. It is also used as a preservative in some …

Oct 1, 2024 · Formaldehyde may be best known for its preservative and anti-bacterial properties. Formaldehyde-based chemistry is also used to make a range of products in the building and …

May 18, 2022 · These fact sheets summarize the information on occurrence and health effects of the chemicals covered, presenting guideline values where these have been derived and the basis for …

Jan 9, 2026 · On December 3, 2025, the EPA released an Updated Draft Risk Calculation Memorandum for Formaldehyde conducted under the Toxic Substances Control Act (TSCA) for public comment.