Bismuthine
Bismuthine, also known as bismuthane, bismuth hydride, and hydrogen bismuthide, is a chemical compound. Its chemical formula is BiH3. It has bismuth and hydride ions in it. The bismuth is in its +3 oxidation state.
Properties
Bismuthine is very unstable. It is only found below -60°C. Above that temperature it breaks down into bismuth and hydrogen.
Preparation
It is made by a complex process that involves organic chemistry.
Uses
It is part of a test for bismuth. This is similar to the Marsh test for arsenic.