Oxalic Acid – Key Properties
Also known as ethanedioic acid, oxalic acid has the molecular formula H₂C₂O₄ and structural formula HOOC-COOH.
Oxalic acid dihydrate crystals (H₂C₂O₄·2H₂O) are colorless, with a melting point of 101°C. They are readily soluble in water and tend to dehydrate and sublime easily when heated.

Oxalic Acid – Shandong Pulisi Chemical Co., Ltd.
Shandong Pulisi Chemical Co., Ltd. is a leading supplier of high-purity oxalic acid (ethanedioic acid, H₂C₂O₄) for industrial and commercial applications. Our oxalic acid is produced under strict quality control standards, featuring excellent whiteness, consistent purity, and stable performance, making it suitable for a wide range of industrial uses.
Our oxalic acid is widely applied in:
Textile & Leather Industry: As a bleaching and pickling agent to remove stains and rust, improving the whiteness and quality of fabrics and leather products.
Metal Treatment & Cleaning: As an effective rust remover and chelating agent for metal surface treatment and industrial cleaning formulations.
Construction & Building Materials: As a concrete admixture to enhance workability and durability, and as a cleaning agent for construction equipment.
Chemical Synthesis: As a key intermediate in the production of fine chemicals, pharmaceuticals, and agrochemicals.
With reliable supply chains and professional technical support, Shandong Pulisi Chemical Co., Ltd. is committed to providing cost-effective oxalic acid solutions to global customers, meeting diverse industrial demands while adhering to international quality and safety standards.