Butadiene (CH2:CH:CH2) ko ha colorless, odorless kasa ʻoku insoluble ʻi he vai ka soluble ʻi ethanol mo ʻEta, pea ʻe lava ke ne taʻofi ʻa e founga ʻo e kopa(I) Chloride.
Ko hono ngaahi fakangatangata mei he 2.16% ki he 11.17%. ʻI he mafana ʻo e loki, ʻOku taʻe maau mo fakahehema ke fakafepakiʻi decomposition.