[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The pure compound consists of colorless crystals melting at 30 \u00b0C. Soluble in alcohol and ether. Often transported as a 25% solution in dimethyl phthalate for use as an initiator and catalyst."}]