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oxalic acid
A colorless, crystalline organic acid that is slightly soluble in water. It is also known by the systematic name ethanedioic acid. Its chemical formula is (COOH)2, or C2H2O4. Oxalic acid is very poisonous and occurs in certain plants such as sorrel and the leaf blades of rhubarb. It is used for metal and textile cleaning, and in tanning. Oxalic acid has a relative density of 1.653 and a melting point of 101.5°C (214.7°F).
Related category
• ORGANIC CHEMISTRY
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