Sodium oxalate
CAS: 62-76-0
Category: Inorganic Chemicals
| Purity | Analytical Reagent Grade ≥99.5%, High-Purity Grade ≥99.0%, Industrial Grade ≥98.0% |
| Molecular Formula | Na2C2O4 |
| Molecular Weight | 133.999 |
| Appearance | White crystalline powder or granular solid, odorless |
| Packaging | 25 kg/PP woven bag with PE liner, 25 kg kraft paper bag, or 500 kg/1000 kg jumbo bag |
| Testing Indicators | Appearance — Visual inspection; Identification — Infrared spectroscopy (FTIR); Assay/Purity — Permanganate titration method (redox titration); Sodium content — Atomic absorption spectroscopy (AAS) or ICP-OES; Chloride content — Ion chromatography or argentometric titration; Sulfate content — Turbidimetric method; Moisture — Karl Fischer titration (ASTM E203); Insoluble matter — Gravimetric analysis; Heavy metals — ICP-MS or colorimetric methods. |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep the container tightly sealed to prevent moisture absorption and contamination. Avoid contact with strong acids, strong oxidizing agents, and incompatible chemicals. Store away from excessive heat and humidity. |
| Lead Time | 10 days |
Sodium oxalate is an inorganic salt widely used as an analytical reagent and laboratory standard, especially for standardizing potassium permanganate solutions in redox titration. It is also used in chemical research, metal ion analysis, calibration of analytical instruments, and as an intermediate in the preparation of oxalate compounds.