Oxalic Acid

Oxalic Acid, also known as ethanedioic acid, is a colorless, crystalline organic compound and the simplest dicarboxylic acid (C₂H₂O₄). It is found in many plants and vegetables, is a common component in rust removers and stain removers, and functions as a reducing and chelating agent.

Characteristics of Oxalic Acid:

Formula and Structure: The chemical formula for oxalic acid is C₂H₂O₄ or HOOC-COOH, representing a dicarboxylic acid.

Appearance: It typically appears as a white crystalline solid that forms a colorless solution when dissolved in water.

Natural Presence: Oxalic acid is a naturally occurring compound found in various plants, including sorrel and rhubarb leaves.

Toxicity: Oxalic acid is poisonous and can be harmful if ingested. It binds with calcium in the body, which can lead to serious health problems.

Physical & Chemical Properties of Oxalic Acid:

Appearance: White, crystalline powder.

Odor: Odorless.

Molecular Formula: C₂H₂O₄·2H₂O (dihydrate).

Molecular Weight: 126.07 g/mol (dihydrate).

Solubility: Soluble in water.

pH: Approximately 1.3 for a 0.1M solution.

Vapor Pressure: <0.01 mmHg at 20°C (68°F).

Boiling Point: 157°C (anhydrous); 149-160°C (for dihydrate).

Decomposition: Decomposes at approximately 189.5°C.

Identification:

Cas No. :  Anhydrous Oxalic Acid: CAS Number: 144-62-7

                  Oxalic Acid Dihydrate: CAS Number: 6153-56-6

Purity & Impurities (Typical Specifications):

Assay: Min 99.5%.

Insoluble Matter: Max 0.005%.

Chloride (Cl⁻): Max 0.0005%.

Sulfate (SO₄²⁻): Max 0.005%.

Heavy Metals (as Pb): Max 0.0005%.

Iron (Fe): Max 0.0002%.

Residue on Ignition: Max 0.01%.

Uses and Applications of Oxalic Acid:

Cleaning: It is a common ingredient in household cleaners for removing rust and ink stains.

Industrial Applications: It is used in mineral processing, as a reducing agent in photographic film development, and in lanthanide chemistry.

Wood Treatment: It is employed to remove tannin stains from wood.

Hazards of Oxalic Acid:

Irritate and burn the skin and eyes with possible eye damage. causing coughing, wheezing and/or shortness of breath. Exposure to Oxalic Acid can cause headache, dizziness, nausea and vomiting, convulsions, coma.

Packaging: 50 Kg. Bag

MOQ: 50 Kg.

Estimated Lead Time: 1 day

"in stock"