Metaldehyde
Metaldehyde is used widely in the United States as a snail and slug poison. In Europe and Japan, it is also used as a solid fuel (up to 100% metaldehyde) for small heaters. In Japan, tablets containing up to 90% metaldehyde are used for producing colored flames for entertaining. The pellets often are mistaken for cereal or candy. Common commercial products containing metaldehyde (2–4%) include Cory’s Slug and Snail Death, Deadline for Slugs and Snails, and Bug Geta Snail and Slug Pellets.
Mechanism of toxicity
The mechanism of toxicity is not well understood. Metaldehyde, like paraldehyde, is a polymer of acetaldehyde, and depolymerization to form acetaldehyde may account for some of its toxic effects. Further metabolism to acetone bodies may contribute to metabolic acidosis.
Pharmacokinetics.
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