Sulphamic acid is a white powder that is soluble in water and is a moderately strong acid. Sulphamic acid is a very efficient rust remover, descaling agent, and cleaning agent. It is an alternative for hydrochloric acid, which is more volatile and irritating. Aqueous solutions of sulphamic acid are less corrosive toward metals than other acids like hydrochloric acid. Sulphamic acid is a useful cleaning agent in the food industry, since it can rapidly dissolve hardness deposits without causing offensive odours.
Sulphamic acid is an efficient solubiliser for mineral scale deposits, which makes it effective for the removal of scale from boilers, coils, heat exchangers, cooling towers, condensers. Sulphamic acid is a component of household cleaners and detergents, especially for the removal of limescale.