phosphonium compound Directory References Discover 7 of the World’s Deadliest Plants 7 of History's Most Notorious Serial Killers Water Fluoridation: Just the Facts Spies Like Us: 10 Famous Names in the Espionage Game 7 Everyday English Idioms and Where They Come From 7 Drugs that Changed the World How Deadly Is Quicksand? Contents phosphonium compound chemistry Ask Our Chatbot a Question Ask Our Chatbot a Question Learn about this topic in these articles:phosphine In phosphine…has been added) are called phosphonium compounds. The organic derivatives of phosphine are usually made by substitution reactions using the readily available phosphorus trichloride (PCl3).Read More