FIELD: chemistry.
SUBSTANCE: present invention relates to crystalline polimorfo of a compound of formula (I), which is characterized by powder x-ray diffraction, providing a single value angle 2θ, amounting to 9.4±0,2, one value of the angle 2θ, amounting to 10.3±0.2, and at least three values of the angle 2θ selected from the group consisting of 8,1±0,2, 11,6±0,2, 12,0±0,2, 13,9±0,2, 14,8±0,2, 16,0±0,2, 18,2±0,2, 18,8±0,2, 20,4±0,2, 20,6±0,2, 21,2±0,2, 21,7±0,2, 21,9±0,2, 22,1±0,2, 22,4±0,2 and 23.4±0,2. The invention relates to insecticidal compositions containing insecticidal effective amount of the polymorph of the invention and at least one acceptable from the point of view of agriculture, vehicle or diluent. Also the invention relates to a method for preventing or controlling insect infection on plants or seed material, including treating the plant or seed material with an insecticide–effective amount of an insecticidal composition according to claim 4.
EFFECT: technical result is a stable crystalline polymorph of the compound of formula (I).
5 cl, 6 dwg, 4 tbl
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