Crystalline form of 4-[5-[3-chloro-5-(trifluoromethyl)phenyl]-4, 5-dihydro-5-(trifluoromethyl)-3-isoxazolyl]-N-[2-0X0-2-[(2,2,2-trifluoroethyl)amino]ethyl]-1- naph-thalenecarboxamide
Disclosed is a solid form of 4-[5-[3-chloro-5-(trifluoromethyl)phenyl]-4,5-dihydro-5-(trifluoromethyl)-3-isoxazolyl]-N-[2-oxo-2-[(2,2,2-trifluoroethyl)amino]ethyl]-1-naphthalenecarboxamide (Compound 1). Also disclosed are compositions containing a solid form of Compound 1 and methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a solid form of Compound 1 or a composition containing a solid form of Compound 1.
1. A crystalline polymorph of 4-[5-[3-chloro-5-(trifluoromethyl)phenyl]-4,5-dihydro-5-(trifluoromethyl)-3-isoxazolyl]-N-[2-oxo-2-[(2,2,2-trifluoroethyl)amino]ethyl]-1-naphthalenecarboxamide designated Form B characterized by a powder X-ray diffraction pattern having at least the 2θ reflection positions
2θ
17.433,
18.586,
20.207,
20.791,
21.41,
22.112,
23.182,
24.567 and
27.844.
2. A composition comprising the polymorph Form B of claim 1 and at least one additional component selected from the group consisting of surfactants, solid diluents and liquid diluents, said composition optionally further comprising at least one additional compound or agent, wherein said additional compound or agent is biologically active.
3. A composition for protecting an animal from an invertebrate parasitic pest comprising a parasiticidally effective amount of the polymorph Form B of claim 1 and at least one carrier.
4. The composition of claim 3 in a dosage form for oral administration.
5. A method for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of the polymorph Form B of claim 1 .
6. The method of claim 5 wherein the environment is a plant.
7. The method of claim 5 wherein the environment is an animal.