Novel crystal forms of the monosodium salt of foramsulfuron
AssigneeBayer CropScience AG
InventorsSTEFAN ANTONS, BRITTA OLENIK, MARTIN KRUEGER
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Abstract
The present invention relates to a novel crystal form of the monosodium salt of foramsulfuron, a method for preparing this crystal form, use thereof in agrochemical formulations and also particular compositions, mixtures or agrochemical formulations comprising this crystal form, and also a novel monomethanol solvate of the monosodium salt of foramsulfuron.
Claims15
Monosodium salt of foramsulfuron in crystalline form, wherein the X-ray powder diffractogram of this salt using Cu Kα radiation at 25° C. has at least 3 of the following 2Θ (2 theta) values:
- 2Θ (2 theta) values in °
- 6.2
- 6.4
- 14.4
- 14.6
- 14.7
- 18.4
- 19.2
- 20.1
- 23.2
- 24.7
Monomethanol solvate of the monosodium salt of foramsulfuron in crystalline form, wherein the X-ray powder diffractogram of said salt using Cu Kα radiation at 25° C. has at least 3 of the following 2Θ (2 theta) values:
- 2Θ (2 theta) values in °
- 9.1
- 9.1
- 9.7
- 12.6
- 16.2
- 18.5
- 24.1
- 24.3
- 24.6
Mixture comprising
- (i) monosodium salt of foramsulfuron and/or a solvate thereof, and
- (ii) a diluent or diluent mixture selected from the group consisting of alcohols having 3 to 6 carbon atoms, in this case optionally primary alcohols having 3 to 6 carbon atoms, and ketones having 3 to 6 carbon atoms, and mixtures thereof, or comprises at least 20% by weight thereof.
Dependencies are inferred from the claim text.