© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
Name: Perfluorooctanoic Acid
Chemical Formula: C8HF15O2
Synonyms: PFOA, Pentadecafluorooctanoic acid
CAS Number: 335-67-1
Real understanding often begins with knowing exactly what you’re dealing with, and here it’s a persistent fluorinated compound that’s drawn a line in the sand globally. Many communities now recognize PFOA as something that’s no longer just tucked behind manufacturing plants or laboratory doors.
GHS Classification: Reproductive toxicity, Carcinogenicity, Specific Target Organ Toxicity
Hazard Statements: May cause harm to unborn children, suspected of causing cancer, causes damage to organs through prolonged or repeated exposure
Pictograms: Health hazard, exclamation mark
People living near factories often hear about these risks before regulators do. The science points to real concern—long-term exposure links to developmental problems, immune effects, and cancers. This is not theory; look at litigation and health tracking around legacy chemical sites.
Component: Perfluorooctanoic Acid
Concentration: Typically 100 percent in bulk product
Nobody walks into a workplace or picks up a bottle and reads the label here expecting a mixture. It’s a single substance—eight carbon atoms, all but one hydrogen replaced by fluorine—making it both unique and stubborn in fighting environmental breakdown.
Eye Contact: Rinse cautiously with water for minutes; seek medical advice if irritation develops
Skin Contact: Remove contaminated clothing; wash with plenty of soap and water
Inhalation: Move person to fresh air; get attention if breathing issues occur
Ingestion: Rinse mouth; do not induce vomiting
On the ground, emergencies rarely look like textbook cases. Cleaning up and getting help fast always outranks memorizing perfect steps, as it’s the chemical’s stubbornness that worries everyone much more than immediate irritation.
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical, carbon dioxide
Hazardous Combustion Products: Hydrogen fluoride, carbon oxides, perfluorinated compounds
Protective Equipment: Full protective gear, self-contained breathing apparatus
Fire with PFOA is less about infernos and more about toxic smoke. Responders in these situations don’t just think “put out fire,” but “what’s cooking off into the air?” Experience tells us that hydrogen fluoride is no trivial respiratory risk.
Personal Precautions: Wear gloves, goggles, and a respirator
Environmental Precautions: Avoid release to soil or water; prevent seepage into drains
Clean-up Methods: Absorb with inert material, shovel into container for disposal
Contamination here isn’t a puddle you mop up and forget. Once it escapes into water or soil, it lingers. Even the best clean-up leaves traces, so prevention remains a smarter investment than any spill response can ever deliver.
Handling: Use in a ventilated area, keep away from food, wash hands after handling
Storage: Store in tightly sealed container; keep in cool, dry place away from incompatible substances
Anyone who’s worked with fluorinated chemicals learns quickly not to be casual. PFOA isn’t volatile, but the real risk walks out the door on boots, gloves, or drip pans. Good habits beat over-engineered storage almost every time.
Exposure Limit Values: No established OSHA PEL; ACGIH TLV not assigned—limited guidance available
Protective Equipment: Chemical-resistant gloves, safety goggles, lab coats, respiratory protection in dusty or aerosol-generating environments
Ventilation isn’t just for the lab. With so little official guidance, folks end up relying on over-protection just to be on the safe side. The unknowns here justify that choice, especially around chronic low-level exposures.
Appearance: White powder or waxy solid
Odor: Odorless
Melting Point: 40–50°C
Boiling Point: Decomposes before boiling
Solubility: Moderately soluble in water, soluble in organic solvents
What sticks with you is how utterly ordinary it looks and feels, despite the complications it brings. You could walk by a kilogram jar and never know it.
Stability: Stable under normal conditions
Conditions to Avoid: Excessive heat, open flame
Hazardous Decomposition Products: Hydrogen fluoride, perfluorinated compounds
PFOA outlasts almost every other molecule in the neighborhood, making breakdown under typical conditions just about irrelevant. Problems arise if fire or high temperatures show up, so suppression rather than elimination remains the practical approach.
Routes of Exposure: Inhalation, ingestion, skin contact
Acute Effects: Irritation of eyes, skin, respiratory tract
Chronic Effects: Liver toxicity, immune dysregulation, carcinogenicity, reproductive toxicity, developmental toxicity
The harm isn’t short, sharp shocks—it’s part of everyday life for folks living near certain industrial zones, for years or decades. Studies in West Virginia and beyond found PFOA linked with kidney and testicular cancers, changed cholesterol, and even lower birth weights. PFOA doesn’t show up in blood at random.
Persistence: Very persistent in environment
Bioaccumulation: Accumulates in living organisms
Toxicity to Aquatic Life: Harmful, especially to fish and amphibians
PFOA spreads far beyond any spill site, tracing its way through rivers, kitchens, and living tissues. This chemical does not wash out with the next storm. Every study that samples wildlife finds these fluorinated compounds—polar bears, fish, even remote birds—making global treaties feel like overdue steps instead of bureaucracy.
Preferred Disposal Methods: High-temperature incineration at permitted facilities
Environmental Cautions: Avoid dumping in landfill, sewer, or natural water systems due to persistence
Municipal waste streams can’t handle what PFOA brings. Incinerators running hot, with government oversight, do a better job of breaking down that carbon-fluorine backbone. Calls for “safer” substitutes land with mixed results, so destruction, not dilution, stands out as the only real disposal strategy.
UN Number: Not classified as hazardous under most transport laws
Transport Hazard Class: No assigned hazard class
Precautions: Keep containers tightly sealed and secure
PFOA ships under less scrutiny than flammable liquids, but that regulatory gap says more about paperwork lagging behind science than about safety. Freight workers handling containers long-term are in a bind: they see the product moving but can’t judge its long-term impact just by looking at a manifest.
Global Status: Listed under Stockholm Convention for elimination or restriction
US EPA Actions: Targeted for phase-out, subject to risk assessments and federal cleanup actions
EU REACH: Classified as substance of very high concern (SVHC); restrictions in manufacturing and import
The rulebooks now call out PFOA’s hazards, reflecting the public push alongside mounting evidence. These restrictions respond to tragedy, not foresight, and they highlight why PFOA became a poster child for regulatory reform. Talk in city halls and statehouses has shifted—regulators now face pressure to ensure alternatives truly factor in health and environmental legacy.
