POLYMORPHISM IN 5-AMINO- 1 -(2,6-DICHLORO-4- TRIFLUOROMETHYLPHENYL)-3-CYANO-4-TRIFLUORO METHYL SULFINYL PYRAZOLE

摘要

The present invention provides novel crystalline polymorphic forms of fipronil and processes for preparing the same. The present invention also provides a pesticidal composition containing a pesticidally effective amount of a crystalline form of fipronil and a method for controlling pests using a pesticidally effective amount of a crystalline form of fipronil or its composition.