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Related Experiment Videos

Toxicity studies with decamethrin, a synthetic pyrethroid insecticide.

R Kavlock, N Chernoff, R Baron

    Journal of Environmental Pathology and Toxicology
    |January 1, 1979
    PubMed
    Summary

    Decamethrin, a synthetic pyrethroid insecticide, exhibits high toxicity in rats, with varying LD50 values based on sex and age. It showed no teratogenic or mutagenic activity in tested models.

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    Area of Science:

    • Toxicology
    • Environmental Science
    • Pesticide Research

    Background:

    • Decamethrin is a synthetic pyrethroid insecticide.
    • Investigated by the World Health Organization for vector control.
    • Pyrethroid esters are known for their insecticidal properties.

    Purpose of the Study:

    • To evaluate the toxicity of decamethrin.
    • To determine acute toxicity metrics (LD50) in rats.
    • To assess potential teratogenic and mutagenic effects.

    Main Methods:

    • Acute toxicity testing in adult female rats (oral and intravenous routes).
    • Evaluation of sex and age dependency on LD50 values.
    • In vitro mutagenicity assays and in vivo teratogenicity studies in rats and mice.

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    Main Results:

    • Decamethrin is highly toxic, with LD50 values of 31 mg/kg (oral) and 4 mg/kg (intravenous) in female rats.
    • LD50 values were dependent on sex and age.
    • Rapid absorption via inhalation, minimal via dermal route.
    • No teratogenic effects observed at maternally toxic doses.
    • No persistent toxicity in neonates and no mutagenic activity detected.

    Conclusions:

    • Decamethrin is a highly toxic pyrethroid insecticide.
    • Toxicity is influenced by administration route, sex, and age.
    • Decamethrin does not appear to be teratogenic or mutagenic.
    • Further research may be warranted for specific applications.