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Oxalic Acid 99.6% min

2026-04-22
Oxalic Acid, scientifically known as ethanedioic acid (structure formula: HOOCCOOH), is one of the simplest organic dicarboxylic acids. It occurs widely in nature, often as oxalate salts in plants like spinach, and as free acid in begonias and bananas.
Physically, Oxalic acid appears as colorless monoclinic plate or prismatic crystals, or a white powder. Oxalic acid produced by oxidation methods is odorless, while that from synthesis methods may have a distinct smell. It sublimes at 150–160°C and effloresces in hot, dry air. Its solubility profile is well-defined: 1 g dissolves in 7 mL water, 2 mL boiling water, 2.5 mL ethanol, 1.8 mL boiling ethanol, 100 mL ether, or 5.5 mL glycerol, but is insoluble in benzene, chloroform, and petroleum ether. A 0.1 mol/L solution has a pH of 1.3. Its relative density (at 18.54°C) is 1.653, with a melting point of 101–102°C (for the dihydrate) or 187°C (anhydrous form). It is classified as low-toxic, with a dermal LD₅₀ (rabbit) of 2000 mg/kg.

Zibo Anhao Chemical Co., Ltd. – High Purity Oxalic Acid (Dihydrate)
Zibo Anhao Chemical Co., Ltd. is a reliable Chinese supplier and exporter of industrial-grade oxalic acid (H₂C₂O₄·2H₂O, dihydrate) headquartered in Zibo, Shandong Province, a key chemical base in northern China. Our oxalic acid is manufactured under strict quality control systems, with a typical purity of 99.6% min, low moisture content, and stable crystalline form, ensuring consistent performance for industrial users worldwide.
Our oxalic acid serves as a versatile organic acid widely applied in textile bleaching, leather tanning, metal surface treatment, marble polishing, rare earth extraction, and organic chemical synthesis. It acts as an effective descaling agent, rust remover, and reducing agent, supporting efficient production across multiple industries.
With over 10 years of chemical export experience, Anhao Chemical offers flexible packaging (25kg bags or customized), stable supply capacity, and professional documentation support to meet global import standards. We prioritize long-term cooperation and deliver consistent quality at competitive prices.
Contact us for bulk orders or technical specifications: info@anhaochemical.com