[{"from": "human", "value": "Please give me some details about this molecule. [Y]"}, {"from": "gpt", "value": "Soft silvery-white metal in bulk. Dark-gray to black odorless powder. Mp: 1509 \u00b0C; bp 2927 \u00b0C. Density: 4.47 g cm-3 at 20 \u00b0C. May irritate the respiratory tract if inhaled as a powder. May irritate the digestive tract if swallowed. Vapors may cause dizziness or suffocation."}]