Phosphorus pentafluoride (PF₅) is a chemical compound with the CAS number 7647-19-0. This compound is used in various applications, particularly in the field of chemistry as a reagent and in the electronics industry. Here are some characteristics of phosphorus pentafluoride:
Characteristics of Phosphorus Pentafluoride:
Physical Properties:
PF₅ is a colorless, dense gas at room temperature and pressure.
It has a characteristic pungent odor.
The boiling point of PF₅ is -83.4°C (-118.1°F).
It is heavier than air.
Chemical Properties:
PF₅ is a powerful fluorinating agent.
It is highly reactive and can react violently with water, releasing hydrogen fluoride (HF), which is a corrosive and toxic gas.
It is also a Lewis acid and forms complexes with various electron donor molecules like ammonia or ethers.
Safety Concerns:
PF₅ is extremely toxic and corrosive.
It is hazardous to human health, causing severe burns to the skin and eyes and respiratory tract irritation upon inhalation.
Handling requires proper protective equipment and procedures.
Environmental Impact:
Due to its reactivity with water and moisture in the air, PF₅ can contribute to the formation of harmful pollutants and acid rain.