Perfluorooctanoic acid (PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, for its 8-carbon chain structure) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a material feedstock.

Perfluorooctanoic acid (PFOA), also known as C8 and perfluorooctanoate, is a synthetic, stable perfluorinated carboxylic acid and fluorosurfactant. One industrial application is as a surfactant in the emulsion polymerization of fluoropolymers.

2023年8月21日 · Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), known as the most detected per- and polyfluoroalkyl substances (PFAS) in various environmental compartments,...

2024年11月1日 · PFAA with longer perfluoroalkyl chain interact more strongly with hydrophobic pores. In PFCA with more than three perfluorinated carbons hydrophobic forces are dominant. Electrostatic interactions are always the dominant force in PFSA adsorption. PFAA transition from anionic to neutral state when adsorbed into hydrophobic pores.

2025年3月6日 · EPA launched the PFOA Stewardship Program in January 2006 because of concerns about the impact of PFOA and long-chain PFASs on human health and the environment, including concerns about their persistence, presence in the environment and in the blood of the general U.S. population, long half-life in …

PFOS and PFOA are fully fluorinated, organic compounds. They are the two PFASs that have been produced in the largest amounts within the United States (ATSDR 2015; EFSA 2008). PFOS and PFOA are part of a subset of PFASs known as perfluorinated alkyl acids (PFAAs).

2018年2月27日 · Short-chain PFASs (per- and polyfluoroalkyl substances) are widely used as alternatives to long-chain PFASs. Long-chain PFASs become gradually regulated under REACH (EC No. 1907/2006) and other international regulations, due to having persistent, bioaccumulative and toxic properties and/or being toxic for reproduction.

2023年11月15日 · Their entry into the food chain, food web, and water system has resulted in their presence in food and water supplies, leading to chemical risks via dietary exposure. In November 2016, the Food and Drug Administration (FDA) abolished the use of long-chain PFAS, including PFOA and PFOS, in food contact applications in the United States.

目前，PFOS 和 PFOA 的首选分析检测方法是液相色谱-质谱/质谱法 (LC-MS/MS)，而液相色谱-质谱法和气相色谱-质谱法 (GC-MS) 均可用于测定 PFOS 和 PFOA 的前体。 使用这些方法分析食品的报道很少。 由于缺乏足够的合适分析数据，人们为了得出暴露估计值而做出了许多假设。 因此，本意见中提供的食品中含量和暴露量数字应作为指示性数据。 PFOS、PFOA 和其他全氟有机化合物已广泛应用于工业和消费领域，包括织物和地毯的防污防水涂层、食品接触纸制品的防油 …

2008年7月21日 · Perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA) and their salts Scientific Opinion of the Panel on Contaminants in the Food chain