1,1,2,2,3,3,4,4-octafluorocyclobutane

1,1,2,2,3,3,4,4-octafluorocyclobutane is a fully fluorinated cyclic hydrocarbon with the molecular formula C4F8 and CAS number 115-25-3. This perfluorinated compound features a four-carbon ring structure where all eight hydrogen atoms have been replaced with fluorine atoms, resulting in a molecular weight of 200.03 g/mol. It belongs to the family of perfluorocarbons, known for their exceptional chemical stability and unique properties.

1,1,2,2,3,3,4,4-octafluorocyclobutane is a colorless, odorless gas at room temperature with extremely low reactivity due to its perfluorinated structure. The compound exhibits very low solubility in water but dissolves well in organic fluorinated solvents. It demonstrates high thermal stability, low surface tension, and excellent dielectric properties. The strong carbon-fluorine bonds make it chemically inert under most conditions, contributing to its stability and specialized applications.

1,1,2,2,3,3,4,4-octafluorocyclobutane serves primarily as a specialty gas in electronics manufacturing, particularly in plasma etching and cleaning processes for semiconductor production. Its inert properties make it valuable as a heat transfer medium in specialized cooling applications. The compound is also used in research applications requiring chemically inert atmospheres and as a component in certain fluorinated gas mixtures for industrial processes requiring precise chemical control.

1,1,2,2,3,3,4,4-octafluorocyclobutane requires standard gas handling procedures despite having no specific hazard classification. Use appropriate personal protective equipment including safety goggles and gloves when handling containers. Ensure adequate ventilation to prevent accumulation in confined spaces, as it can displace oxygen. Handle cylinders carefully to avoid mechanical damage, and use proper gas handling equipment. Always follow good laboratory practices and establish emergency procedures for gas releases.

1,1,2,2,3,3,4,4-octafluorocyclobutane should be stored in appropriate pressure cylinders in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers upright and secure to prevent falling or damage. Store away from incompatible materials and ensure proper labeling. Maintain storage temperatures within manufacturer specifications and regularly inspect cylinders for damage or leaks. Implement appropriate inventory management to ensure proper rotation of stock.

1,1,2,2,3,3,4,4-octafluorocyclobutane presents minimal direct health hazards due to its inert nature, but oxygen displacement is the primary concern. In case of large releases, immediately move to fresh air and ensure adequate ventilation. If someone shows signs of oxygen deficiency, provide fresh air and seek medical attention if symptoms persist. For skin or eye contact with liquid form, flush with water. Always prioritize evacuation from oxygen-depleted areas and ventilate enclosed spaces thoroughly.

1,1,2,2,3,3,4,4-octafluorocyclobutane must be disposed of according to local and European waste regulations, particularly considering its classification as a fluorinated compound. Contact authorized waste management companies experienced in handling specialty gases and fluorinated substances. Do not release directly to atmosphere due to potential environmental impact. Empty cylinders should be returned to suppliers when possible. Maintain proper documentation of disposal activities and ensure compliance with REACH and local environmental regulations.

1,1,2,2,3,3,4,4-octafluorocyclobutane is classified under ADR Class 2 for transport as a compressed gas. Transport must comply with dangerous goods regulations including proper packaging, labeling, and documentation. Use UN-approved cylinders and ensure proper securing during transport. Drivers require ADR certification for dangerous goods transport. Maintain proper shipping papers and emergency response information. Avoid transport during extreme temperatures and ensure vehicles are properly ventilated and equipped for gas transport.

1,1,2,2,3,3,4,4-octafluorocyclobutane is subject to REACH regulation requiring registration for manufacturing or importing above certain thresholds. It is not classified as an SVHC substance but must comply with CLP regulation for classification and labeling. As a fluorinated compound, it may fall under F-gas regulations depending on application. Users must maintain safety data sheets and comply with workplace exposure regulations. Industrial users should verify compliance with sector-specific requirements and emission regulations.

1,1,2,2,3,3,4,4-octafluorocyclobutane is available through OYSI, a specialized European distributor of technical chemicals and specialty gases. OYSI provides this compound to industrial customers across Europe with proper documentation and regulatory compliance. As a specialty chemical, it typically requires advance ordering and may have specific minimum order quantities. Contact OYSI directly for availability, technical specifications, packaging options, and delivery arrangements to your location within Europe.