Ka whakamahia nuitia te kaihoko hopu pango i roto i te whakamaunga sulfide.Kua whakamahia mai i te tau 1925.
Ko tona ingoa matū ko te dihydrocarbyl thiophosphate.Kua wehea kia rua nga waahanga:
dialkyl dithiophosphate me te dialkyl monothiophosphate.He pumau He pai
ka taea te whakamahi i te pH iti me te kore e tere pirau.