In 1998, a 3M™ research team made a discovery that had never been achieved in a single compound: a molecule with a GWP of less than one, low toxicity, and the ability to extinguish fires as effectively as any approved clean agent on the market. They named it Novec™ 1230, built an entire product line around the chemistry that followed, and set the standard for clean-agent fire suppression, precision cleaning, and thermal management across industries for decades. When 3M™ left the fluorochemicals business, all of it had to be replaced.

Novec™ is the brand name for the 3M™ line of fluorinated specialty fluids, covering two chemically distinct families: hydrofluoroethers and perfluoroketones, each engineered for applications where conventional alternatives couldn’t meet the performance, safety, and environmental requirements the work demanded. Because Novec™ fluids are classified as PFAS, when 3M™ announced its full exit from PFAS manufacturing in December 2022 and completed it by the end of 2025, the entire product line was discontinued.

As that transition unfolded, companies began conducting spec-to-spec comparisons: weighing one product’s GWP, toxicity profile, or boiling point against another’s. That process can identify the right chemical properties, but that’s only part of the equation. The application knowledge and manufacturing standards behind those properties depend entirely on who developed the fluid and how. To understand how to measure the new standard, let’s look at what made Novec™ so widely specified in the first place.

The History of Novec™

The HFE Origin

While Novec™ 1230 became the brand’s most recognized product, the Novec™ product line started a decade earlier with the 7000 series. The problem 3M™ fluorochemists were solving in the late 1980s was regulatory: chlorofluorocarbons were being phased out under the Montreal Protocol for ozone depletion, and the Fluorinert™ perfluorocarbon line carried global warming potentials that were becoming impossible to defend. Dr. Rick Flynn, working at 3M™, invented the hydrofluoroether segregated ether structure that became the Novec™ 7000 series: fluids with low surface tension, low toxicity, clean evaporation, and a fraction of the GWP of the PFCs they replaced.

Developing and commercializing a new fluorochemical takes years and millions of dollars. Toxicology, flammability, manufacturing cost, and environmental profile can each end a candidate’s path before it reaches the market. The 7000 series cleared every hurdle. Early applications went to semiconductor manufacturers including Teradyne and Schlumberger and disk drive manufacturers like IBM, Western Digital, and Seagate. Each qualification was a multi-year process built around lab samples, close application engineering, and real operating conditions.

The Perfluoroketone Discovery

Then, in 1998, while searching for a precursor to manufacture a new HFE molecule, the same 3M™ team discovered C6F12O, a perfluoroketone that made previously competing properties coexist: fire suppression effectiveness, low toxicity, and a GWP under one. That compound became Novec™ 1230. A provisional patent was filed in July 1999, and the technology launched commercially as a UL Component Recognized, FM Approved clean agent at the NFPA Conference in Minneapolis in 2002. In the quarter century since, nothing has matched it.

Top Applications of the Novec™ Product Line Fire Suppression

Novec™ 1230 became the dominant clean-agent fire suppression fluid globally, specified for data centers, server rooms, control rooms, and archives where water or dry chemical would damage what it was meant to protect. Its GWP of less than one, low toxicity, and wide safety margin between extinguishing concentration and human exposure limits drove its adoption across occupied, mission-critical spaces worldwide.

Clean-agent systems are designed, installed, and certified around a specific approved agent under NFPA 2001 and ISO 14520, and changing that agent means recertifying the entire system.

Precision Cleaning and Electronics Defluxing

The 7000 series replaced chlorinated solvents like CFC-113 and trichloroethylene in electronics manufacturing, where flux residue removal required low surface tension, clean evaporation, and a worker safety profile older solvents couldn’t provide. The three primary grades differ by boiling point:

• Novec™ 7100: Lowest boiling point, fastest evaporation, suited to sensitive substrates and lower-temperature processes
• Novec™ 7200: Mid-range, the most broadly used grade across general electronics defluxing
• Novec™ 7300: Highest boiling point, suited to applications needing more thermal energy to clean effectively

All three support azeotrope formation and co-solvent configurations. In aerospace, defense, and medical device manufacturing, cleaning processes are formally validated under IPC-7711/7721 and J-STD-001, industry standards that govern how electronics are cleaned and reworked in high-reliability applications. A fluid change triggers a full revalidation against those standards, a process that can take years and carry real costs before a single drum of the new fluid is used in production.

Thermal Management

The Novec™ product line served thermal management across industries where process stability depended on a fluid that wouldn’t introduce variation, contamination, or flammability risk.

Semiconductor Fabrication

Novec™ fluids cooled plasma etch, ion implant, test systems, and chemical vapor deposition (CVD) equipment throughout chip production. These tools run continuously at nanometer-level tolerances, and thermal or dielectric variations in the cooling fluid translate directly into wafer-level defects.

Pharmaceutical Lyophilization

Freeze-drying processes used to manufacture biologics and vaccines depend on precise low-temperature control across long production cycles. Novec™ fluids provided the thermal stability and chemical inertness those processes required without introducing contamination risk.

Healthcare

Applications included tissue freezing and laboratory histobaths. In both cases, the fluid runs in direct proximity to biological material, making purity and biological inertness foundational requirements rather than secondary specifications.

Military

Novec™ fluids cooled radar electronics on AWACS and E-2C aircraft, radar countermeasure pods on F-16, F-15, and F-18 platforms, spray cooling on Global Hawk and other UAVs, and electronic cooling for Patriot missile battery systems, including the PAC-3 variant.

Data Center Immersion Cooling

Novec™ 7100 and Novec™ 649 were the qualified fluids for two-phase immersion cooling, in which electronics are submerged directly in a dielectric fluid to manage heat loads that air cooling and direct-to-chip systems can’t handle at the highest rack densities.

READ MORE: PFAS Concerns in Immersion Cooling: Separating Science from Misconception

Why 3M™ No Longer Makes Novec™

In December 2022, 3M™ announced it would exit PFAS manufacturing entirely, phasing out Novec™ and Fluorinert™ production by the end of 2025. The decision collapsed the supply side of a market that had depended on a single dominant manufacturer for decades, and it landed on top of regulatory and procurement pressures that had already been building for years.

Regulatory Pressure

The Montreal Protocol had already been pushing industries toward lower-global-warming-potential fluids. On that front, Novec™ was well positioned, with HFEs and perfluoroketones having substantially lower GWPs than the chemistries they replaced. The broader PFAS regulatory environment created a different kind of pressure. Novec™ fluids sit outside the core health concerns driving PFAS regulation, but procurement mandates have widened to broadly cover fluorinated fluids, and 3M™ has decided to exit the category entirely rather than navigate an increasingly complex regulatory landscape.

The Gap 3M™ Left Behind

What Entered the Market

The alternatives that entered the market since the 3M™ announcement varied widely. Some carry real compatibility data and regulatory approvals in progress. Others are generics positioned as drop-in replacements without the validation history or application-specific testing to support that claim. For most applications, the wrong choice means a failed qualification, damaged equipment, and the cost of starting the evaluation over. In safety-critical applications, the consequences go further.

When the Wrong Choice Has Consequences

Fire suppression is the clearest example. A clean-agent system is designed, installed, and certified for a specific approved agent to protect an occupied space in the event of a fire. Deploying a fluid without the toxicological profile, safety margin, and regulatory authorization of that certified agent creates a liability that runs from the facility manager through the integrator to every party that signed off on the sourcing decision. 

Alternative suppression approaches like water mist and aerosols serve specific use cases, but substituting them into a system certified around a clean agent without full recertification means deploying a fluid in a life-safety application it was never approved for.

READ MORE: Stability vs. Savings: Why “Looking the Same” Is the Biggest Risk

Find the Right Novec™ Replacement for Your Application

Novec™ 1230 took years of chemical research, a provisional patent, and a full certification process to become available. The manufacturers entering the market since the 3M™ exit are matching specifications they didn’t write against applications they didn’t qualify. For most fluids, that gap is manageable. For a clean agent deployed in an occupied space, it isn’t.

Standard Fluids was built around the scientists who developed the chemistry. Senior advisors Paul Rivers, lead inventor and original patent holder of Novec™ 1230, and John Owens, with inventor credits across more than 50 organofluorine compounds, now lead the technical side of the SF™ product line, produced to the same standards they developed at 3M™.

Talk to Standard Fluids to find out what the right Novec™ replacement looks like for your application.