WEBThis fact sheet tells you about chemical names within the family of per- and polyfluoroalkyl substances (PFAS) and their basic chemical structure. It also spells out abbreviations for common PFAS. PFAS are a family of man-made chemicals that contain carbon, fluorine, and other elements.
4 Physical and Chemical Properties – PFAS — Per- and …
WEBReliable physical and chemical properties of PFAS are scarce (for example, vapor pressure and Henry’s Law constants), and some of the available values are estimated using predictive mathematical techniques, which predict properties of compounds from knowledge of their chemical structure.
Per- and polyfluoroalkyl substances - Wikipedia
WEBPer- and polyfluoroalkyl substances are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. Different organizations use different definitions for PFAS, leading to estimates of between 8,000 and 7 million chemicals within the group.
WEBclass of synthetic chemicals. Chains of carbon (C) atoms surrounded by fluorine (F) atoms − Water- and oil-repellent − Stable C-F bond. Perfluorooctanoic acid (PFOA) PFAS include oxygen, hydrogen, sulfur and/or nitrogen atoms, creating a water-soluble end. Perfluorooctanesulfonic.
PFAS Explained | US EPA - U.S. Environmental Protection Agency
WEBOct 25, 2023 · Basic Information about Perfluorooctanoic Acid (PFOA), Perfluorooctyl Sulfonate (PFOS) and Other Perfluorinated Chemicals (PFCs) including how people are exposed and health effects.
WEBThis fact sheet tells you about chemical names within the family of perfluoroalkyl and polyfluoroalkyl substances (PFAS) and their basic chemical structure. It also spells out abbreviations for common PFAS. PFAS are a family of man-made chemicals that contain carbon, fluorine, and other elements. The family tree image below, Figure 1, shows ...
Per- and polyfluoroalkyl substance (PFAS) | Description, Chemistry ...
WEB3 days ago · per- and polyfluoroalkyl substance (PFAS), any of a group of synthetic chemical compounds that contain fluorine atoms attached to chains of carbon atoms.
Per- and polyfluoroalkyl substances (PFAS) - ECHA
WEBSep 26, 2023 · Per- and polyfluoroalkyl substances (PFAS) are a large class of thousands of synthetic chemicals that are used throughout society. However, they are increasingly detected as environmental pollutants and some are linked to negative effects on human health.
Per- and polyfluoroalkyl substances in the environment | Science
WEBThe pool of new PFAS, for which physical, chemical, and toxicological data remain undetermined, is expanding rapidly and now includes untold numbers of compounds having widely varying chemical structures, volatilities, and solubilities, as well as uncertain potential exposure consequences.
Per- and Polyfluoroalkyl Substances (PFAS): Significance and ...
WEBOct 23, 2021 · Per- and polyfluoroalkyl substances (PFAS) are an emerging environmental crisis. Deemed forever chemicals, many congeners bioaccumulate and are incredibly persistent in the environment due to the presence of …