[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][N]"}, {"from": "gpt", "value": "The molecule appears as a colorless to light yellow colored liquid with a strong ammonia-like odor. Less dense than water. Vapors are heavier than air. Toxic by inhalation, ingestion and skin absorption. Irritates skin, eyes and mucous membranes. Flash point below 0 \u00b0F. Boiling point 130 \u00b0F. Used to make pharmaceuticals and other chemicals."}]