... ,4-dichlorophenoxy) acetic acid3) Molecular formula: C8H6O3CI2 Specifications:a) Tech amine salt butyl 72 ECb) 2,4-D content (m/m ... ): 95% min. 860, 720g/L amine salt 72.0 butylc) Free phenol: 0.4% max. 1 ... ). Solubility (25oC),620mg/l water; soluble in aqueous alkali, alcohol, diethyl ether.Insoluble in petroleum oil; stability, in soil DT50 <7D ...