The present invention relates to an agrochemical aqueous suspension concentrate comprising a pesticide in the form of pesticide particles and at least 5 wt % of an adjuvant dissolved in the aqueous phase, wherein 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 the suspension concentrate by contacting water, the pesticide, and the adjuvant. The present invention further relates to 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.