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Calcium silicate is a white free-flowing powder. It can be derived from naturally occurring limestone and diatomaceous earth, a siliceous sedimentary rock. [citation needed] It is one of a group of compounds that can be produced by reacting calcium oxide and silica in various ratios e.g. 3CaO·SiO 2, alite (Ca 3 SiO 5); 2CaO·SiO 2, (Ca 2 SiO 4); 3CaO·2SiO 2, (Ca 3 Si 2 O 7); and CaO·SiO 2 ...
Bendiocarb is an acutely toxic carbamate insecticide used in public health and agriculture and is effective against a wide range of nuisance and disease vector insects. Many bendiocarb products are or were sold under the tradenames "Ficam" and "Turcam." All bendiocarb-containing products in the United States were recently [when?] cancelled ...
Fenoxycarb is a carbamate insect growth regulator. [1] It has a low toxicity for bees, birds, and humans, but is toxic to fish. [citation needed] The oral LD 50 for rats is greater than 16,800 milligrams per kilogram (0.269 oz/lb). [2]
Allethrin II (R = −COOCH) The allethrins are a group of related synthetic compounds used in insecticides. They are classified as pyrethroids, i.e. synthetic versions of pyrethrin, a chemical with insecticidal properties found naturally in Chrysanthemum flowers. They were first synthesized in the United States by Milton S. Schechter in 1949.
Chlorfenapyr. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Chlorfenapyr is a pesticide, and specifically a pro-insecticide (meaning it is metabolized into an active insecticide after entering the host), derived from a class of microbially produced compounds known as ...
Imiprothrin is a synthetic pyrethroid insecticide. It is an ingredient in some commercial and consumer insecticide products for indoor use. It has low acute toxicity to humans through the inhalation and dermal routes, but to insects it acts as a neurotoxin causing paralysis.
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