EC FORMULATIONS COMPRISING ORGANOPHOSPHATE INSECTICIDES

Solvent formulations under EC form comprising (% by weight) : - 10-40% of one or more compounds having an insecticidal activity selected among those of the organophosphate class, comprising the following group (formula (I)): wherein : L1 is selected between oxygen and sulphur, L2 and L3, equal to or different from each other, are selected from oxygen, sulphur or a NH group, with the proviso that at least one from L1, L2 and L3 is sulphur and at least one from L1, L2 and L3 is oxygen, M is selected from oxygen, sulphur or NH; - 1-20% of an additive formed of methyl or ethyl esters of fatty acids having a C10-C20 chain, saturated or unsaturated, or mixtures thereof, the fatty acids deriving from vegetal oils; - 3-15% of one or more surfactants selected from non ionic and anionic surfactants, or thereof mixtures; the complement to 100% being one or more organic solvents having the following characteristics: - capable to solubilize the active principle, expressed as % by weight, at room temperature (20-25°C) for at least 5%; preferably 10%, more preferably at least 20%, - substantial immiscible with water.