... 160oC). Solubility (25oC),620mg/l water; soluble in aqueous alkali, alcohol, diethyl ether.Insoluble in petroleum oil; stability, in soil DT50 <7D. It is a ... strong acid,pKa2.64, and forms water-soluble salts ... dilution, it can be usedto control the broad leaf weeds in the fields of barley, wheat, rice, corn, milletand ...