| 摘要 |
The present invention relates to an insecticidal composition comprising (a) 0.1-10% by weight of 2,4-dioxo-1-(2-propynyl)imidazolidin-3-yl chrysanthemate, (b) 2.5-50% by weight of a fatty acid ester of 16-19 carbon atoms, (c) 2.5-30% by weight of a sorbitan fatty acid ester, (d) 0.5-1% by weight of at least one alcohol selected from the group consisting of ethanol, 1-propanol, 2-propanol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, butylene glycol and glycerin and (e) 40- 93.5% by weight of a saturated hydrocarbon of 8-18 carbon atoms; an insecticidal aerosol composition comprising 5-30% by weight of said insecticidal composition, 40-85% by weight of water and 10-50% by weight of a propellant; and a method for controlling harmful insects which comprises applying said insecticidal aerosol composition to them. The present insecticidal aerosol composition is stable i.e. the separation into aqueous phase and organic phase occurs at a very low rate after shaking. Moreover, the insecticidal composition of the present invention which is pre-mix of the present insecticidal aerosol composition has little troubles such as precipitation while it is left to stand and is stable, therefore is a suitable starting composition for transportation and storage for the preparation of the insecticidal aerosol composition of the present invention.
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