The present invention relates to an agrochemical aqueous suspension concentrate comprising a pesticide in form of pesticide particles and at least 5 wt% of an adjuvant dissolved in the aqueous phase where the adjuvant is of the formula (I) as defined herein. The invention also relates to the adjuvant as defined in formula (I). Furthermore the invention relates to a process for the preparation of said suspension concentrate by contacting water the pesticide and the adjuvant. Further subject matter are a method of controlling phytopathogenic fungi and/or undesired plant growth and/or undesired insect or mite attack and/or for regulating the growth of plants wherein the suspension concentrate is allowed to act on the respective pests their environment or the crop plants to be protected from the respective pest on the soil and/or on undesired plants and/or on the crop plants and/or on their environment and seed containing said suspension concentrate.