Leading Oxalic Acid Manufacturers, Suppliers, Dealers, Exporters in Pune. Offering Oxalic Acid at latest affordable price in Pune. Oxalic acid (C₂H₂O₄) is a strong organic acid commonly found in plants such as spinach, rhubarb, and beet leaves. It is used in various industrial applications, including as a cleaning and bleaching agent, particularly for removing rust and stains from metal surfaces, wood, and stone. In the textile and leather industries, oxalic acid is employed as a mordant in dyeing processes. Additionally, it plays a role in the synthesis of certain pharmaceuticals and chemicals. Despite its utility, oxalic acid is toxic and can cause severe health issues if ingested, requiring careful handling and appropriate safety measures during its use.