Overview
Perfluorobutane is a fully fluorinated alkane with exceptional chemical stability due to strong carbon-fluorine bonds. As part of the perfluorocarbon family, it demonstrates remarkable resistance to thermal degradation and chemical reactions. First developed for military applications in the mid-20th century, this compound now serves critical roles in high-tech industries. Its unique combination of electrical insulation properties and environmental stability makes it particularly valuable in semiconductor manufacturing and electrical equipment.
Physical and Chemical Properties
The compound's physical characteristics stem from its symmetrical molecular structure and fluorine shielding. With a boiling point of -2°C, it remains gaseous at room temperature but can be liquefied under moderate pressure for storage and transport. Chemically, perfluorobutane exhibits near-complete inertness to most reagents, including strong acids, bases, and oxidizing agents. This stability persists up to 800°C, making it suitable for high-temperature processes. Its dielectric constant of approximately 2.0 and high breakdown voltage (89 kV/cm) are key parameters for electrical applications.
Main Applications
In electronics manufacturing, perfluorobutane serves as a dielectric medium in plasma etching processes for silicon wafers, particularly in advanced node semiconductor fabrication. Its thermal properties also make it effective in specialized refrigeration systems requiring non-flammable working fluids. The fire suppression industry utilizes perfluorobutane in total flooding systems for sensitive equipment areas, where its clean extinguishing properties prevent damage to electronics. Additionally, environmental scientists employ it as a tracer gas for atmospheric studies due to its detectability at extremely low concentrations.
Safety and Storage
While non-toxic, perfluorobutane presents asphyxiation risks in confined spaces by displacing oxygen. Facilities must install oxygen deficiency monitors in storage areas and implement proper ventilation protocols during handling. Storage requires steel cylinders meeting DOT/ISO standards for compressed gases, kept away from heat sources and direct sunlight. Cylinder valves should use CGA 590 connections to prevent accidental mixing with incompatible gases. Personnel handling the gas require training in high-pressure system safety procedures.
B2B Procurement Guide
Industrial buyers should specify purity grades based on intended use: 99.7% for general applications, 99.99% for semiconductor processes. Verify supplier certifications for gas handling and cylinder testing compliance. Lead times for specialty grades can extend to 8-12 weeks. Consider regional distribution networks to minimize transportation costs, as the gas typically ships as hazardous materials. Many suppliers offer cylinder exchange programs to optimize logistics. Negotiate contracts based on annual volume commitments for better pricing.
Related Manufacturers
- 主营：无卤阻燃剂、涂料阻燃剂、硅酮母粒、全氟磺酸丁基钾、尼龙阻燃剂、阻燃母粒、成碳剂、抗水解剂
- 主营：散热板、制冷剂、清洗剂、乙基全氟丁基醚、五氟丁烷、电子氟化液
- 主营：聚苯胺、脯氨酸甲酯盐酸盐、苄基三甲基氯化铵
- 主营：阻燃剂、拉那白、牛儿酮、全氟丁基磺酰胺、海藻糖、热敏蓝、萘磺酸、氯菊酯、硫酸锌、催化剂、杨梅酯、檀香醚、聚醚胺、吸收剂、脂檀油、苍术素、羟钴胺、转移剂、溶剂绿、麝香酮、王浆酸、芬多精、纤维素、新戊酯、王冠醚、遮甜粉
- 主营：全氟丁基磺酰氟、化工原料、氟表面活性剂
- 主营：全氟丁基磺酰胺、高铁酸钾
- 主营：花生酸、碳酸钠、单氟磷酸钠、丁基羟基茴香醚、鱼大豆酵母原料
- 主营：全氟聚醚二醇、全氟三丁胺、聚硅氮烷、特种硅油、特种硅树脂
- 主营：离子液体、阻燃剂、咪唑、全氟辛基三甲氧基硅烷、叔丁基乙烯基醚、催化剂、乙酰丙酮钴、正丁醇锆、四氟硼酸锂、香兰基丁醚、氟化物、丙酮肟、双酚E型氰酸酯、钯碳催化剂、钛硅分子筛、硫酸烟酰苯胺、丙酮缩氨基硫脲
- 主营：全氟三丁胺、木质素、吉氏色素
- 主营：聚乙烯亚胺、三甘醇二异辛酸酯3G8、三硫代碳酸钠40%、全氟丁基磺酸、TS-1钛硅分子筛、六氯环三磷腈、5-甲基靛红、烷基苯磺酸酯、苯基次磷酸钠、甲巯咪唑、吡啶硫酮锌、焦磷酸哌嗪、热敏材料、油酸甲酯、曲酸
- 主营：抗氧剂BHT、苯磺酸、苯酚磺酸、环烷酸铈、N235 萃取剂、C272萃取剂、均苯四甲酸二酐、对苯乙烯磺酸钠、氟化铝、椰油酰胺丙基甜菜碱、甘油三苯甲酸酯
- 主营：水性流平剂、油性流平剂、润湿流平剂、全氟丁基磺酸钾、非硅流平剂、含氟流平剂、水性消泡剂、油性消泡剂、油墨消泡剂、非硅消泡剂、工业漆消泡剂、聚氨酯消泡剂、UV消泡剂、水性分散剂、油性分散剂、炭黑分散剂、润湿分散剂、颜料分散剂、附着力促进剂、防流挂助剂、反应性硅油、农用助剂、织物整理剂、其他助剂、电子用助剂
- 主营：二苄叉山梨醇、六氟丙烯二聚体、六氟环氧丙烷二聚体、全氟三丁胺、异丙醇铝、纳米勃姆石、二异戊基硫醚、隐色结晶紫、邻菲罗啉
- 主营：架桥剂、YW100 锂萃取剂、端羧基液体丁腈橡胶、全氟三丁胺、10-羟基癸酸、苯乙烯磷酸、肉豆蔻酸镁、硬脂酸钴、乙烯基磷酸二乙酯、磷酸锰铁锂、β-磷酸三钙、十一烯酸、钨酸铝、1-乙炔基环已醇、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、溴代海因树脂颗粒、红铝、龙涎酮、原丁酸三甲酯