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Acephate: Wikis

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Acephate
Identifiers
CAS number 30560-19-1 Yes check.svgY
PubChem 1982
ChemSpider 1905
SMILES
InChI
InChI key YASYVMFAVPKPKE-UHFFFAOYAG
Properties
Molecular formula C4H10NO3PS
Molar mass 183.17 g mol−1
 Yes check.svgY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Acephate is an organophosphate foliar insecticide of moderate persistence with residual systemic activity of about 10-15 days at the recommended use rate. It is used primarily for control of aphids, including resistant species, in vegetables (e.g. potatoes, carrots, greenhouse tomatoes, and lettuce) and in horticulture (e.g. on roses and greenhouse ornamentals). It also controls leaf miners, caterpillars, sawflies and thrips in the previously stated crops as well as turf, and forestry.By direct application to mounds, it is effective in destroying imported fire ants.

It is considered non-phytotoxic on many crop plants. Acephate and its primary metabolite, methamidophos, are toxic to Heliothis spp. that are considered resistant to other organophosphate insecticides. Acephate emits toxic fumes of phosphorus, nitrogen, and sulfur oxides when heated to decomposition. Symptoms of exposure to acephate include a slight irritation of eyes and skin.

Acephate is sold as a soluble powder, as emulsifiable concentrates, as pressurized aerosol, and in tree injection systems and granular formulations.

Further reading

Sources

U.S. EPA Office of Pesticide Programs.

Extension Toxicology Network. Pesticide Information Profiles.

Cooperative Extension Offices of Cornell University, Oregon State University, the University of Idaho, and the University of California at Davis.

Institute for Environmental Toxicology, Michigan State University.

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