[{"from": "human", "value": "What can you tell me about this molecule? [P]"}, {"from": "gpt", "value": "The molecule appears as a colorless gas with a disagreeable odor of fish or garlic. Boiling point -126 \u00b0F; freezing point -209 \u00b0F. Very toxic by inhalation at extremely low concentrations. Prolonged heating may cause containers to rupture violently and rocket.   Rate of onset: Immediate & Delayed (Lungs)  Persistence: Minutes - hours  Odor threshold: 0.9 ppm  Source/use/other hazard: Insecticide; used in manufacture of flame retardants and incendiaries."}]