Potassium oxalate monohydrate
CAS: 6487-48-5
Category: Inorganic Chemicals
| Purity | Analytical Reagent Grade ≥99.5%, Reagent Grade ≥99.0%, High-Purity Grade ≥99.0% |
| Molecular Formula | K2C2O4·H2O |
| Molecular Weight | 184.23 |
| Appearance | White crystalline powder or colorless crystalline granules, 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 — Permanganate titration method (redox titration); Potassium content — Atomic absorption spectroscopy (AAS) or ICP-OES; Oxalate content — Titrimetric analysis; Water content — Thermogravimetric analysis (TGA) or Karl Fischer titration (ASTM E203); Chloride — Ion chromatography; Sulfate — Turbidimetric method; Heavy metals — ICP-MS or colorimetric analysis; Insoluble matter — Gravimetric determination. |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep containers tightly sealed and protected from moisture. Avoid contact with strong acids, strong oxidizing agents, and incompatible chemicals. Keep away from excessive heat and humidity to prevent loss of crystal water. |
| Lead Time | 10 days |
Potassium oxalate monohydrate is an inorganic oxalate salt mainly used as an analytical reagent, buffer component, and laboratory standard. It is widely applied in chemical analysis, especially for calibration and precipitation reactions involving calcium ions and other metal ions. It is also used in the preparation of oxalate complexes and as a raw material in specialty chemical manufacturing.