Chemical Name: 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctanesulphonic Acid
Synonyms: Perfluorooctanesulfonic acid, PFOS
Chemical Formula: C8HF13O3S
CAS Number: 1763-23-1
Recommended Use: Cleaner formulations, surfactants, electroplating, fire-fighting foams, chemical manufacturing
Manufacturer: [Insert Manufacturer]
Contact Information: [Insert Emergency Phone Number]
Classification: Acute Toxicity (Oral) Category 4, Eye Damage/Irritation Category 2, Reproductive Toxicity Category 2, Specific Target Organ Toxicity - Repeated Exposure Category 2
Label Elements: Warning symbol, exclamation mark, health hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed. Causes eye irritation. Suspected of damaging fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements: Avoid breathing dust or fumes. Wash skin thoroughly after handling. Use only outdoors or in well-ventilated areas. Wear protective gloves and eye/face protection.
Substance: 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctanesulphonic Acid
Concentration: ≥98%
Impurities: Trace perfluorinated impurities
Additives: None known
Molecular Weight: 500.13 g/mol
Inhalation: Remove person to fresh air. Seek medical attention for any breathing difficulty or persistent cough.
Skin Contact: Remove contaminated clothing immediately. Wash skin thoroughly with plenty of soap and water for at least 15 minutes. Obtain medical attention if irritation develops.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and consult a physician.
Ingestion: Do not induce vomiting. Rinse mouth with water and get immediate medical attention.
Most Important Symptoms and Effects: Irritation of eyes and skin, persistent cough, abdominal pain, and potentially effects on liver or reproductive system with long-term exposure.
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
Special Hazards: Decomposition can release toxic gases such as hydrogen fluoride, sulfur oxides, carbonyl fluoride.
Protective Equipment for Firefighters: Full protective clothing and a self-contained breathing apparatus.
Advice: Keep containers cooled with water spray to prevent pressure build-up or explosion from heat exposure. Avoid inhalation of combustion products.
Personal Precautions: Use chemical-resistant gloves, goggles, protective clothing, and a respirator in poorly ventilated areas.
Environmental Precautions: Do not let chemical enter drains, soil, or surface water. Notify authorities if a large spill affects the environment.
Cleanup Methods: Contain spill with inert adsorbent like sand or earth. Collect into a labeled container for disposal. Ventilate area and wash residue from spill site with water, observing local regulations.
Handling Equipment: Avoid use of absorbent materials that could react with the substance. Do not use aluminum or magnesium tools.
Handling Requirements: Wear chemical-resistant gloves, eye protection, and clothing. Use only in areas with adequate exhaust ventilation. Avoid release into the environment. Do not breathe dust, mist, or vapors.
Storage Conditions: Keep in tightly closed, properly labeled containers. Store in a cool, dry, well-ventilated area away from direct sunlight, heat, strong bases, and oxidizing agents.
Incompatible Materials: Strong bases, strong oxidizers, reactive metals.
Special Storage Instructions: Use corrosion-resistant containers. Keep away from food and feedstuffs.
Exposure Limits: No established occupational exposure limits in many regions. The ACGIH recommends minimizing exposure to perfluorinated compounds.
Engineering Controls: Use local exhaust ventilation, fume hoods, and process enclosures.
Personal Protective Equipment (PPE): Wear chemical splash goggles, lab coats, nitrile or fluoropolymer gloves, and, if ventilation is poor, a respirator with P100 cartridges or equivalent.
Hygiene Measures: Wash hands and exposed areas thoroughly before eating, drinking, or smoking. Remove contaminated clothing immediately.
Monitoring: Consider regular health monitoring for workers with chronic exposure.
Appearance: White to off-white solid
Odor: Odorless
pH (1% solution): 1.5-2.5
Melting Point: 190-195°C
Boiling Point: Not applicable (decomposes)
Solubility: Water soluble
Vapor Pressure: Very low (negligible at ambient temperature)
Density: 1.8-2.0 g/cm³
Partition Coefficient (log Kow): Greater than 4
Decomposition Temperature: Above 250°C
Evaporation Rate: Not volatile
Flash Point: Not flammable
Chemical Stability: Stable under recommended storage conditions.
Reactivity: Avoid contact with strong bases, strong oxidizing agents, and reactive metals.
Hazardous Reactions: May react with reducing agents and metals to release hazardous gases.
Decomposition Products: Sulfur oxides, hydrogen fluoride, perfluorinated compounds.
Conditions to Avoid: High temperatures, direct sunlight, moisture, incompatible chemicals.
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Toxicity: Harmful if swallowed. Causes irritation to eyes and mucous membranes.
Chronic Effects: May damage liver or thyroid with repeated exposure. Suspected of causing reproductive or developmental effects. Animal studies show bioaccumulation in organs.
Symptoms: Nausea, headache, abdominal pain, skin redness, cough.
LD50 (oral, rat): 251 mg/kg
Carcinogenicity: Not directly classified as carcinogen by IARC. Long-term exposure to perfluorinated substances linked to cancer in animal studies.
Mutagenicity/Teratogenicity: Evidence of developmental toxicity in laboratory animals.
Ecotoxicity: Highly persistent, very toxic to aquatic organisms with long-lasting effects.
Persistence and Degradability: Extremely persistent in the environment, resists biodegradation.
Bioaccumulative Potential: High bioaccumulation in organisms, including fish and wildlife.
Mobility in Soil: High mobility due to water solubility, contaminates groundwater.
Other Adverse Effects: Disrupts endocrine and reproductive systems in aquatic species and potentially in humans at high exposure.
Waste Treatment Methods: Dispose of as hazardous waste according to local, regional, national, and international regulations.
Disposal of Packaging: Decontaminate containers before recycling or disposal. Do not reuse containers.
Prohibited Actions: Do not discharge to sewers, on the ground, or into any natural waters.
Incineration: Only use chemical incineration equipped with scrubbers for fluoride gas capture to minimize environmental release.
Special Precautions: Avoid emissions into the environment during disposal.
UN Number: 3077
UN Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (contains perfluorooctanesulfonic acid)
Transport Hazard Class: 9 (Miscellaneous dangerous substances and articles)
Packing Group: III
Marine Pollutant: Yes
Special Precautions for Transportation: Segregate from foodstuffs and animal feed, avoid damage to packaging, prevent environmental contamination during transit
Land/Rail/Road/Sea/Air Transport: Comply with all applicable regulations
OSHA Status: Not specifically regulated, but covered by OSHA general duty clause and hazard communication standard
TSCA Status: Listed in TSCA Inventory, restricted use for new applications in the United States
EU REACH: Subject to authorization and restrictions; use only with proper notification and justification
Other Regulations: Listed in Stockholm Convention for elimination or restriction. Listed as a priority substance by EPA and other international bodies.
Labeling: Signal words and hazard statements as required by GHS. Environmental hazard pictogram required.
Right to Know Laws: Listed in many state and national right-to-know chemical inventories.
Other Requirements: Companies must ensure staff training, exposure monitoring, and reporting of environmental releases according to local and national regulations.
