What is a Phosphine (PH₃)?

Phosphine (PH₃) is a colorless, toxic gas with a distinct foul odor. It is a compound of phosphorus and hydrogen, and while small amounts of phosphine can occur naturally during the breakdown of organic matter or from phosphorous ores, it is primarily synthesized industrially. Phosphine is used in agriculture as a fumigant for pest control, particularly in the storage of grain to eliminate pests and insect eggs. It is also used in chemical synthesis, especially in the production of organophosphorus compounds, which are important in various industrial processes.

Due to its high toxicity, phosphine is a highly dangerous gas that requires strict safety precautions. Inhalation can lead to serious respiratory effects and poisoning, so careful handling and protective measures are essential when working with phosphine.

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