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QINGYUAN CHEMICAL
27
2026
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05
Introduction to Oxalic Acid
Oxalic acid (also known as ethanedioic acid) is the simplest organic dicarboxylic acid. It acts as a strong reducing agent and is widely distributed across various plants, animals, and fungi. Appearance: It is a white crystalline solid that is readily soluble in water, forming a colorless aqueous solution. Chemical Properties: Classified as a moderately strong acid, it possesses potent reducing properties. It reacts with numerous metal ions to form insoluble or sparingly soluble oxalates (such as calcium oxalate). Industrial Applications: In the field of metallurgy, it is frequently employed as a solvent for the extraction and refining of rare metals; it is also utilized in leather tanning, the synthesis of resins, and the manufacture of dyes. Household Cleaning: Due to its strong acidic and reducing characteristics, oxalic acid serves as an excellent cleaner for removing rust and limescale. It is commonly used to eliminate rust stains from metal surfaces, as well as stubborn yellow stains found on washbasins and toilets. Biological Control: In the beekeeping industry, oxalic acid solutions are frequently used as a natural remedy to treat external parasites (such as bee mites) affecting honeybees.
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