Our company supply Oxalic Acid with high quality and most competitive price. Oxalic ... max SULFATE0.1% max CHLORIDE20ppm max HEAVY METAL10ppm maxProperties:Oxalic acid forms fine colourless crystals, readily soluble in water, with ... If heated quickly, it melts at 101.5 0C,anhydrous oxalic acid melts at 180 0C.Density at 18 0C, kg/ ... properties of waterproof and avoid water,solarization; Oxalic Acid