The invention relates to active ingredient suspensions in glycerine containingat least 60 wt. % glycerine, agrochemical active ingredients, wetting agents,dispersion agents and anti-foaming agents and optionally means for adjustingrheological properties, acids for adjusting a pH-values, preserving agentsand further components such as formulation adjuncts, surfactants and solvents.The active ingredient suspensions and the agrochemical agents obtained therefromcan be used to prevent pest organisms.