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Product Name: Tetrafluoroethylene
Chemical Formula: C2F4
Synonyms: TFE, Perfluoroethylene
CAS Number: 116-14-3
Intended Uses: Monomer for polymer production such as PTFE
Manufacturer/Supplier: Industrial chemical manufacturers, chemical supply distributors
Emergency Contact: Local emergency services, poison control center
Recommended Restrictions: Industrial and laboratory applications, not for consumer use
Hazard Class: Flammable gases, Category 1
Signal Word: Danger
Pictograms: Flame, Gas cylinder
Hazard Statements: Highly flammable gas; May form explosive mixtures with air; Gas under pressure; May cause frostbite if released rapidly
Precautionary Statements: Keep away from ignition sources; Handle with proper grounding
Potential Health Effects: Inhalation may cause respiratory irritation or central nervous system effects; Contact with liquid may cause severe frostbite
Routes of Exposure: Inhalation, skin contact with liquid phase
Chemical Name: Tetrafluoroethylene
Purity: >99%
Additives: None
Impurities: Trace perfluorinated compounds
Inhalation: Remove to fresh air immediately; Seek medical attention if breathing difficulty persists
Skin Contact: For contact with liquid, immerse affected area in lukewarm water, do not rub, seek medical advice for frostbite
Eye Contact: Flush with water continuously for at least 15 minutes; Consult an eye specialist right away
Ingestion: Not a typical route of exposure for gases; seek immediate medical help if exposure suspected
Most Important Symptoms: Dizziness, headache, numbness from cold, tissue damage at contact points
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, or fog. Do not use water jets directly on source
Special Hazards: Vapors may travel to source of ignition and flash back; containers may rupture under fire conditions
Protective Equipment: Firefighters need self-contained breathing apparatus and full protective gear
Firefighting Instructions: Evacuate area, cool containers with water from a distance, stop leak if safe; prevent gas from accumulating in confined spaces
Decomposition Products: Toxic gases including hydrogen fluoride, carbonyl fluoride, and carbon monoxide may be produced under fire conditions
Personal Precautions: Evacuate unnecessary personnel; wear proper respiratory and protective gear
Environmental Precautions: Prevent gas from entering drains, basements, or confined areas
Containment Methods: Ventilate area, stop leak if this can be done without risk
Clean-up Procedures: Disperse gas with water spray; remove ignition sources; monitor area until levels are below occupational exposure limits
Handling: Use only in well-ventilated areas with proper explosion-proof equipment; ground/bond all equipment during transfer; avoid breathing vapors
Hygiene Recommendations: Wash hands and face before breaks and after working with gas; avoid smoking in handling areas
Storage Information: Keep cylinders upright in secure, dry, well-ventilated areas away from sunlight, ignition sources, and incompatible materials such as oxygen and other oxidizers
Special Storage Considerations: Store at designated temperature and pressure conditions stated by manufacturer; segregate from other compressed gases
Control Parameters: Occupational Exposure Limit (OEL/TLV): 2 ppm (ACGIH recommended limit)
Engineering Controls: Use only with local exhaust ventilation or in gas cabinets; implement explosion-proof electrical systems
Personal Protective Equipment (PPE): Gas-tight chemical goggles, flame-retardant gloves, protective clothing, and respiratory protection approved for organic gases
Monitoring Requirements: Continuous air monitoring in work areas; ensure proper calibration of detection equipment
Other Protective Measures: Emergency eye wash and showers must be accessible in areas of gas use
State: Compressed liquefied gas
Appearance: Colorless
Odor: Slightly sweet, can be odorless
Boiling Point: -76.3°C
Melting Point: -142.5°C
Vapor Pressure: 4,600 mmHg at 20°C
Density: Gas density 4.5 kg/m³ at 25°C
Solubility: Insoluble in water; soluble in organic solvents
Flammable Limits: Lower: 5.0%, Upper: 40% (by volume)
Autoignition Temperature: 425°C
Molecular Weight: 100.02 g/mol
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts explosively with oxidizers and alkali metals
Hazardous Reactions: Violent polymerization in presence of heat, metals, or peroxides
Incompatible Materials: Oxygen, alkali metals, powdered metals, strong oxidizing agents
Hazardous Decomposition Products: Fluoride gases, carbon monoxide, other toxic vapors
Acute Toxicity: Low acute toxicity by inhalation in tested species
Chronic Effects: Limited evidence for chronic risk but repeated high exposures may affect lungs and liver
Sensitization: No known skin or respiratory sensitization
Mutagenicity/Carcinogenicity: No evidence for human carcinogenicity, animal studies inconclusive
Symptoms of Exposure: Dizziness, anesthesia, drowsiness, frostbite at contact points
Aquatic Toxicity: Not expected to cause acute toxicity in aquatic organisms due to volatility
Persistence and Degradability: Not readily biodegradable, persistent in atmosphere
Bioaccumulation Potential: No significant bioaccumulative potential detected
Mobility in Soil: Gas phase disperses rapidly, limited potential for soil contamination
Environmental Fate: Primary breakdown by atmospheric photolysis; breakdown products may include trifluoroacetic acid
Other Adverse Effects: Ozone depletion not significant, but potential for global warming noted
Waste Methods: Dispose of unused gas via controlled incineration at facilities equipped to scrub acid gases; follow local, regional, and national regulations
Container Disposal: Return empty cylinders to manufacturer or licensed cylinder reconditioner; do not puncture or incinerate containers
Precautions: Avoid release to environment during disposal process
UN Number: UN1081
Proper Shipping Name: Tetrafluoroethylene, compressed
Transport Hazard Class: 2.1 (Flammable Gas)
Packing Group: Not applicable
Labeling Requirements: Flammable gas label
Special Precautions: Secure cylinders during transport; prevent movement and physical damage; do not transport with incompatible materials
OSHA: Covered by Hazard Communication Standard, regulated as hazardous
EPA: Listed on TSCA inventory, subject to EPA SARA Title III (EPCRA) Section 313 reporting
DOT: Regulated as hazardous material for transportation
International Inventory List: Listed on EU EINECS/ELINCS, Canadian DSL, Japanese ENCS, Australian AICS
Other Requirements: Employers must train workers on safe handling, exposure monitoring, emergency procedures, and use of PPE as required by national law
