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Per- and polyfluoroalkyl substances (also PFAS [1],PFASs [2], and sometimes referred to as "forever chemicals" [3] [4]) are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain; there are 7 million such chemicals according to PubChem. [5]
Chemicals like PFOS, PFOA and PFHxS are "for all intents and purposes correctly labeled as forever chemicals," said Christopher Higgins, a leading U.S. expert on PFAS and a distinguished professor ...
Although the dangers of so-called forever chemicals are well-documented, these harmful substances have been detected in a range of personal care products used by consumers on a daily basis.
The wristbands were also checked for 20 different types of forever chemicals. Based on the findings, PFHxA was the most common, appearing in nine of the 22 tested wristbands.
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.
Called "forever chemicals" because they bioaccumulate in the environment and don't break down in the body once consumed, this group of chemicals were once seen as a sort of technological miracle ...
A saturated water solution, of about 40% formaldehyde by volume or 37% by mass, is called "100% formalin". A small amount of stabilizer, such as methanol, is usually added to suppress oxidation and polymerization. A typical commercial-grade formalin may contain 10–12% methanol in addition to various metallic impurities.
Phthalates, substances categorized as "forever chemicals," have been found in nearly every American's bloodstream, coming from the cleaning products they use to the food and drinks they consume.