5-Sulfosalicylic acid is a strong acid capable of protonating water.Strong association with a range of metals makes 5-Sulfosalicylic acid useful as a metal scavenger.
5-Sulfosalicylic acid dihydrate is a sulfonated salicylic acid derivative. 5-Sulfosalicylic acid is strongly acidic in nature. It exists in various hydrated forms such as dihydrate, dideuterate, trihydrate and pentahydrate.