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Acephate is an organophosphate foliar and soil 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).
Illinois Department of Public Health Pyrethroid Insecticides Fact Sheet. Retrieved October 26, 2005. World Health Organization (WHO) d-Allethrin. Retrieved October 26, 2005. Jim E. Riviere & Mark G. Papich Eds.: Veterinary Pharmacology and Therapeutics. Iowa State University Press, 2009. ISBN 9780813820613. (p. 1194)
Permethrin is a medication and an insecticide. [4] [5] As a medication, it is used to treat scabies and lice. [6]It is applied to the skin as a cream or lotion. [4] As an insecticide, it can be sprayed onto outer clothing or mosquito nets to kill the insects that touch them.
However, the pieces of undissolved residue are very fine and can quickly clog the filter cloth. Therefore, before filtration is started, a filter aid, such as diatomaceous earth, must be added; this holds most of the fine particles away from the surface of the filter cloth and facilitates filtration. However, filter aid is expensive and can ...
N-Nitrosoglyphosate is the nitrosamine degradation product and synthetic impurity of glyphosate herbicide.. The US EPA limits N-nitrosoglyphosate impurity to a maximum of 1 ppm in glyphosate formulated products. [1]
Carbaryl is often inexpensively produced by direct reaction of methyl isocyanate with 1-naphthol. [5]C 10 H 7 OH + CH 3 NCO → C 10 H 7 OC(O)NHCH 3. Alternatively, 1-naphthol can be treated with excess phosgene to produce 1-naphthyl chloroformate, which is then converted to carbaryl by reaction with methylamine. [5]
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