Phosphine facts for kids
Phosphine is a special chemical compound. Its chemical name is phosphorus hydride. Its chemical formula is PH3, which means it has one phosphorus atom and three hydrogen atoms. You might also hear it called phosphane or phosphamine.
What is Phosphine Like?
Phosphine is a gas that you can't see because it's colorless. It's also very flammable, meaning it can easily catch fire. In fact, it can even start burning on its own without a spark!
This gas is extremely toxic, which means it's very dangerous. Even a small amount can make people very sick. Phosphine has a strong smell, often described as smelling like fish or garlic.
When phosphine burns, it creates a white cloud. This cloud is made of something called phosphorus(V) oxide, and it can irritate your eyes and throat.
How is Phosphine Made?
Scientists and chemists make phosphine in a few ways. One way is by heating certain chemicals called hypophosphites and phosphites. It can also be made when a type of phosphorus, called white phosphorus, reacts with a warm alkali (a strong base).
What is Phosphine Used For?
Phosphine gas is mainly used for pest control. It helps get rid of pests like insects and rodents in places where food is stored, such as grain silos. It's also used in making semiconductors, which are important materials found in many electronic devices like computers and smartphones.
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