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National Pesticide Information Center

npic@ace.orst.edu

1.800.858.7378

chemical name and molecule

Zinc phosphide is used as a rodenticide. Formulated as attractive bait, it releases phosphine gas once it is exposed to acid and moisture in the stomach. The phosphine gas is very toxic to all animals. Baits may also attract children or pets, so great care should be taken to keep pets and children away from areas when zinc phosphide is present. Phosphine is released naturally as swamp gas when organic matter decomposes in environments without oxygen.

General Questions about
Zinc Phosphide
Scientific Information about
Zinc Phosphide

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General
Fact Sheet

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Technical
Fact Sheet

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Cover the Holes when Baiting for Moles (or Gophers)!
Q & A

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Inhalation Risks from Phosphine Fumigants
Medical Case Profile

If you have questions about zinc phosphide, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email at npic@ace.orst.edu.

Last updated October 10, 2012