Sodium dithiophosphate
（重定向自Dithiophosphate）
Sodium dithiophosphate is the salt with the formula Na3PS2O2, although the solid is usually encountered as the hydrate. It is also supplied as an aqueous solution together with other thiophosphates. It is a colorless compound, but commercial samples can appear dark owing to the presence of impurities. It is used to facilitate the isolation of molybdenum from its ores.