Alginate lithium is extracted from kelp and other seaweed plants, the molecular formula for (C6H7O6Li)n.
White to pale yellow powder, nearly odorless, slowly dissolved to form a viscous colloidal solution in water, neither dissolved in ethanol solution which content higher than 30% (WT) nor the hydrogenated alcohol solution,it also insoluble in acid solution in chloroform, ether and pH value of less than 3.