dithiophosphoric acid O,O'-dipropyl ester,potassium salt, potassium O,O-dipropyl dithiophosphate, O,O-Dipropyl potassiumphosphorodithioate, potassium O,O-dipropyl phosphorodithioate, potassium O,O'-di-n-propyldithiophosphate, Danafloat 133K, POTASSIUM DIPROPOXY-SULFANYLIDENE-SULFIDO-PHOSPHORANE, DANAFLOAT 245