White powder, melting point 622 ℃, soluble in water, calcium and magnesium and other metal ions chelating capacity significantly, can soften hard water to make suspension into solution, there is a weak alkaline, non-corrosive, is an inorganic surfactants, lubricants, and right there is a strong emulsification of fat.

Used as a detergent additive product can also be used in petroleum, metallurgy, mining, papermaking, water treatment and so on.