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Molecular formula : PF5 CAS :
nature : at room temperature and atmospheric pressure is colorless, strong smoke gases, with the irritating odor. Extreme hydrolysis, and the role of hydrogen fluoride toxicity and similar. The relative density ds (20 ° C, the air = 1) 4.46. The gas density 5.372kg/m3 (20 ° C, 101.3 kPa); 1636kg/m3 liquid density (-84.5 ° C, saturation pressure). -84.5 ° C boiling point. -93.8 ° C melting point. Five phosphorus fluoride preparation methods are several that can be used phosphorus pentachloride with three fluorinated arsenic reaction; Three or phosphorus fluoride added fluoride, the reaction product by vacuum distillation can be obtained high-purity product. Five phosphorus fluoride in the microelectronics industry as the n-type doping agent.
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