[{"from": "human", "value": "Describe this molecule. [O][=P][O][P][=O]"}, {"from": "gpt", "value": "The molecule appears as white crystalline solid or a liquid (melting point 24 \u00b0C). Density 2.14 g / cm3. Toxic and corrosive. May severely irritate skin and eyes. Used to make other chemicals."}]