LIQUID PESTICIDAL COMPOSITION

Abstract

Provided herein is a liquid pesticidal composition, comprising: (a) 3 to 10 mass% of a pesticidal active ingredient having a water solubility at 25° C. of 15 mass ppm or less and a melting point of 10° C. or more; (b) 3.6 to 60 mass% of a first solvent that is ε-caprolactone; (c) 19.5 to 85 mass% of a second solvent having a water solubility at 25° C. of 1 mass% or less; and (d) 1 to 30 mass% of a surfactant, wherein a total content of the pesticidal active ingredient, the first solvent, the second solvent, and the surfactant is 60 mass% or more, a content of the first solvent relative to a content of the pesticidal active ingredient is from 1.2 to 15.0 times by mass, and a content of the second solvent relative to the content of the pesticidal active ingredient is from 6.5 to 25.0 times by mass.

Claims

1. A liquid pesticidal composition, comprising: (a) 3 mass% to 10 mass% of a pesticidal active ingredient having a water solubility at 25° C. of 15 mass ppm or less and a melting point of 10° C. or more; (b) 3.6 mass% to 60 mass% of a first solvent that is ε-caprolactone; (c) 19.5 mass% to 85 mass% of a second solvent having a water solubility at 25° C. of 1 mass% or less; and (d) 1 mass% to 30 mass% of a surfactant, a total content of the pesticidal active ingredient, the first solvent, the second solvent, and the surfactant being 60 mass% or more, a content of the first solvent relative to a content of the pesticidal active ingredient being from 1.2 times by mass to 15.0 times by mass, a content of the second solvent relative to the content of the pesticidal active ingredient being from 6.5 times by mass to 25.0 times by mass.

2. The liquid pesticidal composition according to claim 1, wherein the pesticidal active ingredient has a water solubility at 25° C. from 0.1 mass ppm to 10 mass ppm and a melting point from 30° C. to 300° C.

3. The liquid pesticidal composition according to claim 1 , wherein the pesticidal active ingredient has a partition coefficient (logP) between 1-octanol and water at 25° C. from 2.5 to 5.0.

4. The liquid pesticidal composition according to claim 1 , wherein the content of the pesticidal active ingredient is from 4 mass% to 10 mass%.

5. The liquid pesticidal composition according to claim 1 , wherein the content of the first solvent is from 5 mass% to 40 mass%.

6. The liquid pesticidal composition according to claim 1 , wherein the content of the second solvent is from 40 mass% to 80 mass%.

7. The liquid pesticidal composition according to claim 1 , wherein a content of the surfactant is from 5 mass% to 20 mass%.

8. The liquid pesticidal composition according to claim 1 , wherein the content of the first solvent relative to the content of the pesticidal active ingredient is from 1.3 times by mass to 6.0 times by mass .

9. The liquid pesticidal composition according to claim 1 , wherein the content of the second solvent relative to the content of the pesticidal active ingredient is from 7.0 times by mass to 13.0 times by mass .

10. The liquid pesticidal composition according to claim 1 , wherein the second solvent comprises an aromatic hydrocarbon.

11. The liquid pesticidal composition according to claim 10, wherein the aromatic hydrocarbon comprises one or more selected from the group consisting of alkyl benzenes and alkyl naphthalenes.

12. The liquid pesticidal composition according to claim 1 , wherein the pesticidal active ingredient is one or more selected from the group consisting of mefentrifluconazole, pyraclostrobin, pydiflumetofen, pyridachlometyl, and ethyl 2-[(3-{2-chloro-4-fluoro-5-[3-methyl-4-(trifluoromethyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-1(2H)-yl]phenoxy }pyridin-2-yl)oxy]acetate.

13. The liquid pesticidal composition according to claim 1, wherein the pesticidal active ingredient has a partition coefficient (logP) between 1-octanol and water at 25° C. from 3.0 to 4.5.

14. The liquid pesticidal composition according to claim 1, wherein the content of the first solvent is from 10 mass% to 30 mass%.

15. The liquid pesticidal composition according to claim 1, wherein the content of the second solvent is from 50 mass% to 75 mass%.

16. The liquid pesticidal composition according to claim 1, wherein the content of the first solvent relative to the content of the pesticidal active ingredient is from 1.3 times by mass to 3.3 times by mass.

17. The liquid pesticidal composition according to claim 1, wherein the content of the second solvent relative to the content of the pesticidal active ingredient is from 7.0 times by mass to 9.0 times by mass.

Description