oxalic acid Appearance: White crystal

oxalic acid is a kind of extensive used chemical products and widely used in pharmaceuticals,refined rare earth ,surface treatment and cleaning washing textiles,dyeing and processing and in the field of chemical synthesis,in addition,two hydroxide radical directly linked in oxalic acid molecule so it has some special nature .for example,it possesses deoxidization and can make potassium permanganate deoxidize a valence of two.This reaction is used to mensurate the concentration of potassium