[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][=C][C][Ring1][Branch1][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid. Insoluble in water and less dense than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. When heated will polymerize and at decomposition emits acrid smoke and irritating fumes."}]