Overview
Vinyl fluoride is an organofluorine compound with the chemical formula C2H3F. It is a colorless gas at room temperature and is primarily used as a monomer in the production of polyvinyl fluoride (PVF) and other fluoropolymers. These materials are valued for their resistance to chemicals, UV radiation, and weathering, making them ideal for applications in the aerospace, construction, and packaging industries. Vinyl fluoride is produced industrially through the reaction of acetylene with hydrogen fluoride or via the pyrolysis of 1,1-difluoroethane. Due to its high reactivity and flammability, it requires careful handling and storage under controlled conditions.
Physical and Chemical Properties
Vinyl fluoride is a colorless gas with a faint ethereal odor. It has a boiling point of -72.2°C and a melting point of -160.5°C. The compound is slightly soluble in water but more soluble in organic solvents like ethanol and ether. Its density is approximately 0.636 g/cm³ in its liquid state at the boiling point. Chemically, vinyl fluoride is highly reactive due to the presence of a carbon-carbon double bond and a fluorine atom. It can undergo polymerization reactions to form polyvinyl fluoride (PVF), a thermoplastic with excellent chemical resistance and durability. The gas is also highly flammable and can form explosive mixtures with air, requiring stringent safety measures during handling and storage.
Main Applications
The primary use of vinyl fluoride is as a monomer in the production of polyvinyl fluoride (PVF), a fluoropolymer known for its exceptional resistance to chemicals, UV radiation, and extreme weather conditions. PVF is widely used in the aerospace industry for aircraft interiors and coatings, as well as in construction for protective films and laminates. Other applications include the manufacture of specialty adhesives, coatings, and films for packaging. Vinyl fluoride is also used in research and development for creating novel fluorinated compounds with unique properties. Its versatility and performance make it a valuable material in high-performance industrial applications.
Safety and Storage
Vinyl fluoride is a highly flammable gas that poses significant safety risks if not handled properly. It can form explosive mixtures with air and should be stored in a cool, well-ventilated area away from ignition sources. Proper grounding and bonding procedures must be followed to prevent static discharge during transfer. Exposure to vinyl fluoride can cause respiratory irritation, dizziness, and, in severe cases, asphyxiation. Personal protective equipment (PPE), including gloves, goggles, and respiratory protection, should be worn when handling the gas. Emergency response plans should be in place, including leak detection and fire suppression systems.
B2B Procurement Guide
When procuring vinyl fluoride, industrial buyers should prioritize suppliers with a proven track record of safety compliance and quality assurance. Key considerations include the purity of the gas, packaging specifications, and transportation logistics. Buyers should also verify that suppliers provide Material Safety Data Sheets (MSDS) and proper handling instructions. Prices for vinyl fluoride typically range from $50 to $100 per kilogram, depending on purity and order volume. Bulk purchases may qualify for discounts, but buyers should ensure that storage facilities meet safety standards. Establishing long-term contracts with reliable suppliers can help secure stable pricing and consistent supply.
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