... High quality products 2,Mass production 3,Enterprise specialized in producing 4,The price is right 5,Can export variou Paraquat1 ... -4,4’-bipyridiniumCAS No4685-14-7Molecular formulaC12H14N2ApplicationA broad-spectrum,a qucik-acting,non-selective contact herbicide widly used to control weeds in ... corn,sugar cane,soybean and cotton;Also used for control of aquatic weeds,and as a defoliant for cotton ...