Abstract: A type II crystalline topramezone sodium salt hydrate, a preparation method of the type II crystalline topramezone sodium salt hydrate and the use thereof in herbicidal compositions is provided. An X-ray powder diffraction pattern of the hydrate recorded by Cu-Ka radiation at 25° C. shows at least 3 of the following reflections at 2? values: 2?=9.63±0.2°??(1) 2?=11.00±0.2°??(2) 2?=11.97±0.2°??(3) 2?=13.13±0.2°??(4) 2?=14.36±0.2°??(5) 2?=15.37±0.2°??(6) 2?=17.24±0.2°??(7) 2?=18.01±0.2°??(8) 2?=19.12±0.2°??(9) 2?=19.65±0.2°??(10) 2?=22.03±0.2°??(11) 2?=23.20±0.2°??(12) 2?=25.29±0.2°??(13) 2?=27.29±0.2°??(14) 2?=27.93±0.2°??(15) 2?=28.90±0.2°??(16).

Abstract: A type II crystalline topramezone sodium salt hydrate, a preparation method of the type II crystalline topramezone sodium salt hydrate and the use thereof in herbicidal compositions is provided. An X-ray powder diffraction pattern of the hydrate recorded by Cu-Ka radiation at 25° C. shows at least 3 of the following reflections at 2? values: 2?=9.63±0.2°??(1) 2?=11.00±0.2°??(2) 2?=11.97±0.2°??(3) 2?=13.13±0.2°??(4) 2?=14.36±0.2°??(5) 2?=15.37±0.2°??(6) 2?=17.24±0.2°??(7) 2?=18.01±0.2°??(8) 2?=19.12±0.2°??(9) 2?=19.65±0.2°??(10) 2?=22.03±0.2°??(11) 2?=23.20±0.2°??(12) 2?=25.29±0.2°??(13) 2?=27.29±0.2°??(14) 2?=27.93±0.2°??(15) 2?=28.90±0.2°??(16).

Abstract: A herbicidal composition comprising at least one amino carboxylate and/or organic phosphonate and topramezone or a salt active substance thereof is provided. An aqueous spray solution, which comprises topramezone or a salt active substance thereof, amino carboxylate and/or organic phosphonate and water is also provided. The use of the amino carboxylate and/or organic phosphonate in inhibiting the flocculation of the topramezone or a salt active substance thereof when spraying the aqueous spray solution comprising at least one amino carboxylate and/or organic phosphonate and topramezone or a salt active substance thereof is also provided.

Abstract: The present invention belongs to the technical field of fine chemicals and relates to a new crystalline form of tefluthrin, a preparation method therefor and the use thereof. The preparation method specifically comprises: taking an amorphous tefluthrin or a solid tefluthrin other than the tefluthrin as described in the present invention as a raw material, firstly preparing the raw material into an amorphous substance at room temperature, and then allowing the amorphous substance to cool to 5° C. to ?24° C. to obtain a white or light yellow solid, i.e., a new crystalline form of tefluthrin.

Abstract: The present invention belongs to the technical field of fine chemicals and relates to a new crystalline form of tefluthrin, a preparation method therefor and the use thereof. The preparation method specifically comprises: taking an amorphous tefluthrin or a solid tefluthrin other than the tefluthrin as described in the present invention as a raw material, firstly preparing the raw material into an amorphous substance at room temperature, and then allowing the amorphous substance to cool to 5° C. to ?24° C. to obtain a white or light yellow solid, i.e., a new crystalline form of tefluthrin.

Abstract: A process for preparing clomazone is provided, the process comprising reacting 4,4-dimethyl-3-isoxazolidinone with 2-chlorobenzyl chloride in an aqueous medium in the presence of a base, in particular an alkali metal hydroxide. A method for preparing clomazone is also disclosed, the method comprising (a) crystallizing clomazone from solution in an organic solvent; and (b) isolating the resulting crystals. N-benzene is a particularly suitable solvent. Further, there is provided Form I crystalline 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone (clomazone), wherein the polymorph Form I is characterized by at least one of the following properties: (i) an X-ray powder diffraction pattern having characteristic peaks expressed in degrees 2?(+/?0.20° ?) at one or more of the following positions: about 10.63, 16.07, 18.08, 19.11, 19.34, 21.20, 24.78 and 28.80; and (ii) an infrared (IR) spectrum having a characteristic peak: at about 2967 and 2870 cm?1.

Abstract: A solid herbicidal composition containing a high content of topramezone salt and having excellent disintegration and dispersion performance is provided. The composition is in the form of a water dispersible granule. The topramezone salt can be selected from the group consisting of sodium salt of topramezone, potassium salt of topramezone, lithium salt of topramezone and ammonium salt of topramezone. The solid herbicidal composition further includes dispersant which can be selected from the group consisting of aryl sulfonate salt/ester, alkaryl sulfonate salt/ester, sulfonate salt/ester of their formaldehyde condensates, polycarboxylate, and lignosulfonate.

Abstract: An emulsifiable concentrate comprising a high content of abamectin is provided. The concentrate includes an amide solvent of formula (I) and an alkyl lactate of formula (II): wherein R1 is C5-C19 alkyl and R2 is methyl, ethyl, propyl, butyl or a mixture thereof; wherein R3 is C1-C16 alkyl. The concentrate optionally includes a surfactant. The concentrate exhibits very good low temperature stability and dilution stability. A method for preparing the concentrate; and an emulsion that can be obtained by mixing water, abamectin, the amide of formula (I) and the alkyl lactate of formula (II), is also provided.

Abstract: A solid herbicidal composition comprising a high content of a topramezone herbicide is provided. The solid herbicidal composition further includes alkali metal ions with an amount equivalent to at least 80% of the molar equivalent of the topramezone herbicide. A method of preparing a solid herbicidal composition in the form of dried granules which have fast disintegration performance and a high content of the topramezone herbicide is also provided.

Abstract: A crystalline form of oxamyl is provided. The crystalline form of oxamyl is of formula (I): A crystal preparation process, the analyses of the crystal through various analytical methods, and using the crystalline form to prepare a stable agrochemical formulation is also provided. The use of various solvents towards the crystalline form preparation conditions is also provided.

Abstract: A liquid soluble concentrate (SL) composition is provided, the composition comprising: i) an oxime carbamate; and ii) a liquid carrier, the liquid carrier comprising a solvent system comprising an alcohol, a carbonate ester and water. A method of treating pests using the composition is also provided.

Abstract: A method for controlling the growth of unwanted plants in crop plants at a locus using a sulphonylurea herbicide, wherein the sulfonylurea herbicide exhibits phytotoxicity to the crop plants is provided, The method comprises: a) applying a sulphonylurea herbicide to the locus; and b) planting the crop plants at the locus a time N days after the application of the sulphonylurea herbicide in step a).

Abstract: A solid herbicidal composition is provided, the composition comprising: i) mesotrione; and ii) a base. A method of controlling plant growth using the composition or a diluted form thereof is also disclosed.

Abstract: An agrochemical emulsifiable concentrate (EC) formulation is provided. The formulation comprises: A: an agrochemically active compound; B: a solvent system comprising: a) a saturated monohydric alcohol having 1 to 10 carbon atoms; and b) a fatty acid ester; and C: an emulsifier. A method for preparing the formulation and methods for its use in controlling pest infestations are also provided. A method for improving the particle size distribution of emulsified oil droplets of an emulsifiable concentrate (EC) formulation comprising mixing an agrochemically active compound with a solvent system comprising: a): a saturated monohydric alcohol having 1 to 10 carbon atoms; and b): a fatty acid ester, is also provided.

Abstract: A crystalline hydrate of topramezone sodium salt is provided. A preparation method for the crystalline hydrate of topramezone sodium salt and herbicidal compositions including the crystalline hydrate of topramezone sodium salt are also provided.

Abstract: A novel crystalline modification of Pyroxasulfone is provided, characterized by an X-ray powder diffractogram (XRD), an infrared (IR) spectrum, a melting point and/or a differential scanning calorimetry (DSC) profile. There is also provided a method for preparing the crystalline modification of Pyroxasulfone comprising: i) providing a solution of Pyroxasulfone in a solvent system comprising a one or more solvents; ii) precipitating the crystalline modification I of Pyroxasulfone from the solution; and iii) isolating the precipitated crystalline modification I of Pyroxasulfone. Compositions comprising the crystalline modification I of Pyroxasulfone and the use of the crystalline modification I in the control of unwanted plant growth are also provided.

Abstract: A composition is provided comprising as component (A) at least one insecticide; and as component (B) at least one fertilizer. The composition is effective in controlling nematodes and in promoting plant growth. The at least one insecticide is preferably selected from thiodicarb, abamectin, imidacloprid, fipronil and mixtures thereof. The fertilizer component preferably comprises one or more amino acids and one or more micronutrients. A method of controlling nematodes and/or promoting plant growth using a combination of component (A) and component (B) is also provided.

Abstract: A method for the control of the growth of ALS-resistant plants is provided, the method comprising applying to the plants and/or their locus a herbicidally effective amount of a combination of (A) metribuzin and (B) one or more sulfonylureas. A composition comprising a combination of (A) metribuzin and (B) one or more sulfonylureas is also provided.

Abstract: A method for the control of the growth of ALS-resistant plants is provided, the method comprising applying to the plants and/or their locus a herbicidally effective amount of a combination of (A) metribuzin and (B) one or more sulfonylureas. A composition comprising a combination of (A) metribuzin and (B) one or more sulfonylureas is also provided.

Abstract: A fungicidal composition is provided, the composition comprising: Component (A): prothioconazole; and Component (B): chlorothalonil. There is also provided a method for the control and/or prevention of fungal infestations in a plant, the method comprising applying to the plant, plant parts or the locus thereof: Component (A): prothioconazole; and Component (B): chlorothalonil. The combination of prothioconazole and chlorothalonil exhibits synergy and also exhibits a reduction in phytotoxicity.