Chemical Product Library / Reference

Oxalic acid

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Oxalic acid

Chemical identity

English nameOxalic acid
English synonymsEthanedioic acid;Oxalic acid anhydrous
Chinese name草酸
Chinese synonyms乙二酸;修酸;无水草酸
Chemical categoryOrganic Acids
CAS No.144-62-7
EINECS No.205-634-3
Molecular formulaC2H2O4
Molecular weight90.03
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Assay ≥99.5%; water ≤0.5%; sulfate ≤0.1%; heavy metals (as Pb) ≤10 ppm; residue on ignition ≤0.1%

Performance characteristics

White crystalline powder, soluble in water, strong organic acid with reducing properties

Application scenarios

Rust removal, metal cleaning, textile bleaching, pharmaceutical intermediate, rare earth extraction