[{"from": "human", "value": "Could you provide a description of this molecule? [B][#P]"}, {"from": "gpt", "value": "The molecule is a phosphide of boron. It is a semiconductor. Metal phosphides are hydrolysed to phosphine upon contact with water or stomach acid. Phosphine is a colorless, flammable, explosive, and toxic gas. (L980, L983)"}]