Low-foam preparations for crop protection

1. An adjuvant formulation comprising:

(c) one or more 2-ethylhexyl (poly)glycol ether sulfates having 1 to 20 alkyleneoxy units in the ether moiety, each 2-ethylhexyl (poly)glycol ether sulfate having the formula:

R—O—(R 1 O) n —SO 3 :

where:

R is 2-ethylhexyl;

R 1 is alkylene; and

n is 1 to 20;

(d) optionally, one or more surfactants selected from the group consisting of nonionic, cationic, and zwitterionic surfactants;

(e) water;

(f1) optionally, one or more polar organic solvents; and

(f) optionally, one or more other customary formulation auxiliaries;

wherein component (e) is present in an amount of from 0.1 to 95% by weight.

2. The adjuvant formulation according to claim 1 ;

wherein the component (c) 2-ethylhexyl (poly)glycol ether sulfate has 1 to 10 ethyleneoxy units in the ether moiety.

3. The adjuvant formulation according to claim 2 ;

wherein the component (c) 2-ethylhexyl (poly)glycol ether sulfate has 1,2-ethyleneoxy units in the ether moiety.

4. The adjuvant formulation according to claim 1 ;

wherein a counterion of the 2-ethylhexyl (poly)glycol ether sulfate is a sodium, potassium, or ammonium ion.

5. The adjuvant formulation according to claim 4 ;

wherein the counterion is a sodium.

6. The adjuvant formulation according to claim 1 ;

wherein component (c) is present in an amount of from 0.1 to 99.9% by weight;

wherein component (d) is present in an amount of from 0 to 50% by weight;

wherein component (e) is present in an amount of from 0.1 to 95% by weight;

wherein component (f1) is present in an amount of from 60% by weight; and

wherein component (f) is present in an amount of from 0 to 20% by weight.

7. The adjuvant formulation according to claim 6 ;

wherein component (c) is present in an amount of from 0.1 to 99% by weight.

8. The adjuvant formulation according to claim 7 ;

wherein component (c) is present in an amount of from 1 to 80% by weight.

9. The adjuvant formulation according to claim 8 ;

wherein component (c) is present in an amount of from 2 to 70% by weight.

10. The adjuvant formulation according to claim 9 ;

wherein component (c) is present in an amount of from 5 to 60% by weight.

11. The adjuvant formulation according to claim 6 ;

wherein component (d) is present in an amount of from 0 to 30% by weight.

12. The adjuvant formulation according to claim 11 ;

wherein component (d) is present in an amount of from 1 to 25% by weight.

13. The adjuvant formulation according to claim 12 ;

wherein component (d) is present in an amount of from 5-20% by weight.

14. The adjuvant formulation according to claim 6 ;

wherein component (e) is present in an amount of from 0.1 to 95% by weight.

15. The adjuvant formulation according to claim 14 ;

wherein component (e) is present in an amount of from 5 to 90% by weight.

16. The adjuvant formulation according to claim 15 ;

wherein component (e) is present in an amount of from 10 to 75% by weight.

17. The adjuvant formulation according to claim 6 ;

wherein component (f1) is present in an amount of from 0 to 40% by weight.

18. The adjuvant formulation according to claim 17 ;

wherein component (f1) is present in an amount of from 0 to 30% by weight.

19. The adjuvant formulation according to claim 6 ;

wherein component (f) is present in an amount of from 0 to 15% by weight.

20. The adjuvant formulation according to claim 1 ;

wherein the 2-ethylhexyl (poly)glycol ether sulfate is selected from the group consisting of:

2-ethylhexyl ethylene glycol ether sulfate;

2-ethylhexyl diethylene glycol ether sulfate;

2-ethylhexyl triethylene glycol ether sulfate;

2-ethylhexyl tetraethylene glycol ether sulfate;

2-ethylhexyl pentaethylene glycol ether sulfate;

2-ethylhexyl hexaethylene glycol ether sulfate;

2-ethylhexyl heptaethylene glycol ether sulfate;

2-ethylhexyl octaethylene glycol ether sulfate;

2-ethylhexyl nonaethylene glycol ether sulfate; and

2-ethylhexyl decaethylene glycol ether sulfate.

21. The adjuvant formulation according to claim 20 ;

wherein the 2-ethylhexyl (poly)glycol ether sulfate is 2-ethylhexyl tetraethylene glycol ether sulfate.

22. A 2-ethylhexyl (poly)glycol ether sulfate having 1 to 20 alkyleneoxy units in the ether moiety, each 2-ethylhexyl (poly)glycol ether sulfate having the formula:

R—O—(R 1 O) n —SO 3 :

where:

R is 2-ethylhexyl;

R 1 is alkylene; and

n is 1 to 20;

wherein the 2-ethylhexyl (poly)glycol ether sulfate is selected from the group consisting of:

2-ethylhexyl ethylene glycol ether sulfate;

2-ethylhexyl diethylene glycol ether sulfate;

2-ethylhexyl triethylene glycol ether sulfate;

2-ethylhexyl tetraethylene glycol ether sulfate;

2-ethylhexyl hexaethylene glycol ether sulfate;

2-ethylhexyl heptaethylene glycol ether sulfate;

2-ethylhexyl octa ethylene glycol ether sulfate;

2-ethylhexyl nonaethylene glycol ether sulfate; and

2-ethylhexyl decaethylene glycol ether sulfate.

23. The 2-ethylhexyl (poly)glycol ether sulfate according to claim 22 ;

wherein the 2-ethylhexyl (poly)glycol ether sulfate is 2-ethylhexyl tetraethylene glycol ether sulfate.

24. The 2-ethylhexyl (poly)glycol ether sulfate according to claim 22 ;

wherein a counterion of the 2-ethylhexyl (poly)glycol ether sulfate is a sodium, potassium, or ammonium ion.

25. The 2-ethylhexyl (poly)glycol ether sulfate according to claim 24 ;

wherein the counterion is sodium.

26. A method for protecting a crop, comprising:

utilizing the adjuvant formulation according to claim 1 .

27. A method for protecting a crop, comprising:

utilizing the 2-ethylhexyl (poly)glycol ether sulfate according to claim 22 .

28. An adjuvant formulation comprising:

(c) from 0.1 to 99% by weight of one or more 2-ethylhexyl (poly)glycol ether sulfates having 1 to 20 alkyleneoxy units in the ether moiety, each 2-ethylhexyl (poly)glycol ether sulfate having the formula:

R—O—(R 1 O) n —SO 3 :

where:

R is 2-ethylhexyl;

R 1 is alkylene; and

n is 1 to 20;

(d) from 0 to 30% by weight of one or more surfactants selected from the group consisting of anion-active, nonionic, cationic, and zwitterionic surfactants;

(e) from 0.1 to 95% by weight of water;

(f1) from 0 to 40% by weight of one or more polar organic solvents; and

(f) from 0 to 15% by weight of one or more other customary formulation auxiliaries;

wherein the 2-ethylhexyl (poly)glycol ether sulfate is selected from the group consisting of:

2-ethylhexyl ethylene glycol ether sulfate;

2-ethylhexyl diethylene glycol ether sulfate;

2-ethylhexyl triethylene glycol ether sulfate;

2-ethylhexyl tetraethylene glycol ether sulfate;

2-ethylhexyl pentaethylene glycol ether sulfate;

2-ethylhexyl hexaethylene glycol ether sulfate;

2-ethylhexyl heptaethylene glycol ether sulfate;

2-ethylhexyl octaethylene glycol ether sulfate;

2-ethylhexyl nonaethylene glycol ether sulfate; and

2-ethylhexyl decaethylene glycol ether sulfate.

29. The adjuvant formulation according to claim 28 ;

wherein:

component (c) is present in an amount of from 1 to 80% by weight;

component (d) is present in an amount of from 1 to 25% by weight;

component (e) is present in an amount of from 5 to 90% by weight; and

component (f1) is present in an amount of from 0 to 30% by weight.

30. The adjuvant formulation according to claim 28 ;

wherein component (c) is 2-ethylhexyl tetraethylene glycol ether sulphate sodium salt.

31. A method for protecting a crop, comprising:

utilizing the adjuvant formulation according to claim 28 .

32. 2-ethylhexyl tetraethylene glycol ether sulphate sodium salt.

33. A method for protecting a crop, comprising:

utilizing the 2-ethylhexyl tetraethylene glycol ether sulphate sodium salt according to claim 32 .