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Last Update: 10/27/2026 at 5:34 AM EST
PFAS and Data-Center Cooling
Coverage from NaturalRefrigerants.com, Fortune, and others
Data centers can use specialized fluids to cool servers, and Chemours’ Opteon 2P50 is a prominent proposed example: a fluorinated dielectric for two-phase immersion cooling.
Chemours has cited potential energy and water savings, while environmental groups have raised concerns about PFAS persistence, possible leaks or disposal releases, and breakdown products such as TFA. The EPA’s review under the Toxic Substances Control Act makes chemical safety, exposure evidence, and the adequacy of environmental review central questions in evaluating these cooling approaches.
Looking Back
54 Day Timeline
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All Articles10 articles
Important
Earthjustice and 16 environmental organizations urged the U.S. EPA on July 17 to reject Chemours' Opteon 2P50 data-center immersion-cooling fluid over PFAS contamination concerns.
9/3/2026 • Water & Cooling • General
ChemSec recently reported that Daikin, Arkema, and Chemours are expanding PFAS production for AI data-center cooling despite environmental challenges in the United States, France, and elsewhere.
9/18/2026 • Water & Cooling • General
Earthjustice-led groups ask the US EPA to reject fast-track approval of Chemours Opteon 2P50 PFAS fluid for two-phase data center cooling.
7/28/2026 • Water & Cooling • General
Seventeen environmental groups asked the U.S. Environmental Protection Agency to reject Chemours' fast-track application for Opteon 2P50 for data center two-phase cooling reviews.
7/27/2026 • Water & Cooling • General
Chemours, Amazon, and Microsoft are pursuing different data-center cooling systems in North Carolina while regulators assess chemical disclosure and water-monitoring requirements.
8/25/2026 • Water & Cooling • General
Earthjustice and 16 environmental groups urged the EPA in 2020s comments to deny Chemours fast-track approval of Opteon 2P50 for two-phase data center cooling.
7/27/2026 • Water & Cooling • General
Chemours is developing an EPA-reviewed PFAS-based refrigerant for data center cooling while southeastern North Carolina officials debate moratoriums and environmental impacts.
9/1/2026 • Water & Cooling • General
The U.S. Environmental Protection Agency is reviewing a TSCA application for Opteon 2P50, a PFAS coolant proposed for data centers in the United States.
8/6/2026 • Water & Cooling • General
Data Volt, Chemours, and other suppliers are expanding PFAS-related liquid-cooling activity for U.S. data centers amid environmental concerns and faster permitting efforts in 2025.
8/4/2026 • Water & Cooling • General
Interesting
The Environmental Protection Agency approved two potentially hazardous photoacid generators for semiconductor facilities in the United States, prompting an Earthjustice lawsuit over inadequate safety protections.
8/26/2026 • Permitting & Regulation • General