1,1,2,2-tetrafluoroethene

1,1,2,2-tetrafluoroethene is a fluorinated organic compound with the molecular formula C2F4 and CAS number 116-14-3. This colorless gas belongs to the perfluorinated alkene family and has a molecular weight of 100.01 g/mol. It is classified as a Category 1B carcinogen under GHS classification, requiring careful handling and strict safety protocols in industrial applications.

1,1,2,2-tetrafluoroethene is a colorless gas at room temperature with high chemical stability due to its fluorine atoms. It exhibits low reactivity under normal conditions, has poor water solubility, and demonstrates excellent thermal resistance. The compound's perfluorinated structure gives it unique properties including low surface tension and inertness to most chemical reagents, making it valuable for specialized applications.

1,1,2,2-tetrafluoroethene serves primarily as a monomer in the production of specialized fluoropolymers and copolymers. It is used in manufacturing high-performance materials for aerospace, electronics, and chemical processing industries. The compound also finds applications in producing fluorinated coatings, specialty plastics, and as an intermediate in the synthesis of other fluorochemicals requiring exceptional chemical resistance and thermal stability.

1,1,2,2-tetrafluoroethene must be handled with extreme caution due to its Category 1B carcinogenic classification. Personnel must wear appropriate respiratory protection, chemical-resistant gloves, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods. Regular health monitoring is essential, and exposure must be minimized through engineering controls and strict adherence to occupational exposure limits and safety protocols.

1,1,2,2-tetrafluoroethene should be stored in appropriate pressure vessels designed for compressed gases in cool, dry, well-ventilated areas away from heat sources and ignition. Storage areas must be clearly marked with appropriate hazard warnings and restricted to authorized personnel only. Regular inspection of containers and safety systems is required, and emergency response equipment should be readily available in storage areas.

Immediate evacuation from the exposure area is critical if 1,1,2,2-tetrafluoroethene contact occurs. For inhalation exposure, move the person to fresh air immediately and seek medical attention. In case of skin contact, remove contaminated clothing and wash thoroughly with water. Eye contact requires immediate irrigation with clean water for at least 15 minutes followed by medical evaluation. Always seek professional medical advice promptly.

1,1,2,2-tetrafluoroethene disposal must comply with local and international hazardous waste regulations due to its carcinogenic properties. The substance should never be released into the environment and requires specialized treatment by licensed waste management facilities. Proper documentation, labeling, and chain of custody procedures are mandatory. Consult local environmental authorities for specific disposal requirements and approved treatment methods.

1,1,2,2-tetrafluoroethene is classified under ADR Class 2 (gases) for transportation purposes. It must be shipped in approved pressure vessels with proper labeling, documentation, and placarding according to dangerous goods regulations. Transportation requires specialized carriers licensed for hazardous materials, appropriate emergency response information, and compliance with routing restrictions. Proper packaging and marking are essential for safe transport.

1,1,2,2-tetrafluoroethene is subject to comprehensive regulations under REACH and CLP in Europe due to its carcinogenic classification. It requires registration, safety data sheets, and strict labeling with GHS08 pictogram and 'Danger' signal word. Occupational exposure limits, workplace monitoring, and health surveillance may be mandatory. Users must comply with chemical safety assessments and risk management measures as specified in regulatory frameworks.

1,1,2,2-tetrafluoroethene is available through OYSI, a specialized European distributor of technical chemicals with expertise in hazardous materials handling. OYSI provides comprehensive regulatory support, proper documentation, and ensures compliance with European chemical regulations. As a professional supplier, OYSI can assist with technical specifications, safety requirements, and proper handling procedures for industrial applications requiring this specialized fluorochemical.