Sodium gluconate is the sodium salt of gluconic acid,produced by fermentation of glucose.It is a white to tan,granular to fine,crystalline powder,very soluble in water.Non corrosive,non toxic and readily biodegradable,sodium gluconate is more and more appreciated as clelating agent.It is non-corrosive,non-toxic,readily biodegradable,non-pollution to environment.It is widely used as concrete admixture,cement retarder,water reducer agent,industrial cleaning agent, chelating agent,scale removal and corrosion inhibitor.