Rodenticides containing zinc phosphide are used in both agricultural and residential settings. Formulations include bait pellets, granules, dust, and tracking powders.2 Uses for individual products containing zinc phosphide vary widely. Always read and follow the label when applying pesticide products.
Signal words for products containing zinc phosphide may range from Caution to Danger. The signal word reflects the combined toxicity of the active ingredient and other ingredients in the product. See the pesticide label on the product and refer to the NPIC fact sheets on Signal Words and Inert or "Other" Ingredients.