About 6,330 results
Open links in new tab
  1. Pyrethrin - Wikipedia

    The pyrethrins are a class of organic compounds normally derived from Chrysanthemum cinerariifolium that have potent insecticidal activity by targeting the nervous systems of insects.

  2. Pyrethrins General Fact Sheet - NPIC

    Pyrethrins are pesticides found naturally in some chrysanthemum flowers. They are a mixture of six chemicals that are toxic to insects. Pyrethrins are commonly used to control mosquitoes, fleas, flies, …

  3. Pyrethrins and Pyrethroids | Public Health Statement | ATSDR

    Pyrethrins are often used in household insecticides and products to control insects on pets or livestock. Pyrethrins break down quickly in the environment, especially when exposed to natural sunlight.

  4. The extract contains about 50% active insecticidal ingredients known as pyrethrins. The ketoalco-holic esters of chrysanthemic and pyrethroic acids are known as pyrethrins, cinerins and jasmolins. These …

  5. ToxCard: Pyrethrin and Pyrethroid Toxicity - emDocs

    Jun 4, 2025 · Pyrethrins (Figure 1) and pyrethroids (Figure 2) are synthetic ester compounds, used in insecticides, and are derived from naturally occurring substances of plants such as the Dalmatian …

  6. Pyrethrin - an overview | ScienceDirect Topics

    Pyrethrins are natural apolar esters that are solvent-extracted from the flower heads of Chrysanthemum cineraiaefolium. They are excellent insecticides with low toxicity to mammals due to their poor …

  7. Pyrethrin: What It Is & What It Kills | Sunday Lawn Care

    May 16, 2021 · Pyrethrin is a fast-acting, EPA-regulated contact insecticide that is active against a wide range of pests, including ants, mosquitoes, moths, flies, cockroaches, beetles, spiders, mites, and …