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Oxalic acid is a colorless, crystalline organic compound with the formula C2H2O4. It is a dicarboxylic acid that occurs naturally in various plants and vegetables. Oxalic acid is typically produced through the oxidation of carbohydrates or as a byproduct in the fermentation process. It is widely used in various industrial applications due to its strong acidic properties and ability to chelate metal ions.
| Chemical formula | C2H2O4 |
| Molecular weight | 90.03 g/mol |
| Purity | Typically 95% or higher |
| Appearance | White crystalline solid |
| Melting point | 189 °C |
| Solubility | Soluble in water and alcohol |
When selecting oxalic acid, consider the required purity level, as this can vary significantly depending on its intended use. Buyers should specify the desired quantity and any specific packaging requirements. It is also important to inquire about safety data sheets and handling instructions, particularly for applications involving food or pharmaceuticals, to ensure compliance with relevant regulations.
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It is used in textile processing, metal cleaning, wood bleaching, and as a laboratory reagent.
While it has industrial applications, it can be toxic in high concentrations and should be handled with care.
It should be stored in a cool, dry place, away from incompatible substances.
Yes, but only food-grade oxalic acid should be used, and it must comply with food safety regulations.
It can be harmful to aquatic life in high concentrations; proper disposal methods should be followed.
Industrial-grade oxalic acid typically has a purity of 95% or higher.