Insecticidal composition

A technology of insecticidal composition and compound, applied in biocides, animal repellents, plant growth regulators, etc., can solve problems such as unsatisfactory activity, insufficient stability, and problematic handling

Active Publication Date: 2006-06-21
NIPPON SODA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned composition has insufficient stability at low temperatures, has problems in handling in a concentrated solution state, and is not satisfactory in terms of activity.

Method used

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  • Insecticidal composition
  • Insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 20 g of acetamiprid was dissolved in a mixed solvent of 37.5 g of dimethylacetamide and 37.5 g of dimethyl sulfoxide, and then 5 g of polyoxyethylene castor oil (HLB 11.7) was dissolved as a surfactant to obtain a uniform solution.

Embodiment 2

[0025] 20 g of acetamiprid was dissolved in a mixed solvent of 37.5 g of γ-butyrolactone and 37.5 g of dimethyl sulfoxide, and 5 g of polyoxyethylene hardened castor oil (HLB 10.8) was dissolved as a surfactant to obtain a uniform solution.

Embodiment 3

[0027] 20g acetamiprid is dissolved in the mixed solvent of 37.5g gamma-butyrolactone and 41.5g dimethyl sulfoxide, then dissolve the PO / EO block polymer as surfactant (HLB 12~18: BASF company manufactures Pluronic PE 6400) 1 g to obtain a homogeneous solution.

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PUM

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Abstract

The insecticide composition of the present invention is characterized in that it contains (1) a chloronicotinoid compound as an insecticidal active ingredient, (2) as an organic solvent, dimethylsulfoxide and dimethylacetamide or γ-butyrolactone mixed solvent, or 3 kinds of mixed solvents to which N-methylpyrrolidone is further added, and (3) castor oil-based surfactants or propylene oxide/ethylene oxide block polymer-based surfactants It has weak irritation to the eyes, is difficult to precipitate crystals even at low temperature, can be uniformly dissolved in water, and exhibits excellent biological activity.

Description

technical field [0001] The present invention relates to a water-soluble liquid that dissolves uniformly in water and exhibits excellent insecticidal activity, and particularly relates to a water-soluble liquid containing a chloronicotinoid compound such as acetamiprid as an active ingredient. Background technique [0002] Among pesticide preparations, preparations that are diluted in water and dispersed include emulsions, wettable powders, suspensions, etc., but for ease of handling, the active ingredient is dissolved in a polar solvent that is arbitrarily soluble in water The aqueous solvation method is well known. As an aqueous solvent containing a chloronicotinic compound as a physiologically active component, for example, it is described in JP-A No. 8-92091 that ethanol, butanol, glycerin, hydrocarbons, polyethylene glycol, and N-methylpyrrolidone are used. chlorinated nicotine insecticides such as imidacloprid can be made into a concentrated solution for dilution and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/40A01N25/22A01N25/30A01N51/00
Inventor 浅井真中村理惠子
Owner NIPPON SODA CO LTD
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