also: りんかすいそ
Phosphine is a colorless toxic gas.
diphosphine; P2H4
A less common phosphorus hydride, sometimes formed as a byproduct. Rarely encountered outside specialized chemistry.
Diphosphine can be produced by the decomposition of phosphine.
solid hydrogen phosphides; yellow phosphorus hydride powder
Refers to a yellow solid mixture of higher phosphanes, often formed when phosphine decomposes. Technical term.
This yellow powder is solid hydrogen phosphide.