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Methomyl
【Chemical name】1-(methylthio) ethyleneaminomethylcarbamate
【Molecular formula】C5H10N2O2S
【Molecular weight】 162.23
【physicochemical properties】it is white crystalline with a slight sulfur yellow taste. MP 78-79 ° C,
relative density 1.295, saturated vapor pressure 6.67 × 10-3Pa(25℃)。
Solubility was: methanol 100%, acetone 73%,ethanol 42%, isopropanol 22%, toluene 3%, water 5.8%. It is stable in aqueous solutions and easily decomposes in wet soils. Its aqueous solution is non-corrosive and its storage is stable.
【Toxicity】the acute transoral LD50 is 17 mg / kg in male rats and 23.5 mg / kg in female rats. The LD50 for acute percutaneous toxicity in rabbits is greater than 5000 mg / kg. Non irritant to skin, moderate irritant to eyes.
【Scope of application】Can be used in fruit trees, vegetables, cotton, alfalfa, tobacco, lawns, ornamental plants, etc. For an endophytic broad-spectrum insecticide.
Manufacturing
