Oxalic Acid
| PROPERTIES & USAGE | ||
| Properties | Usage | |
| Chemical formula | C2H2O4 | Cleaning |
| Density | 1.90 g cm−3 (anhydrous) | Niche uses |
| 1.653 g cm−3 (dihydrate) | ||
| Melting point | 102 to 103 °C (216 to 217 °F; 375 to 376 K) | |
| Molar mass | 90.03 g·mol−1(anhydrous) | Extractive metallurgy |
| 126.07 g mol−1 (dihydrate) | ||
| 101.5 °C (214.7 °F; 374.6 K) dihydrate | ||
| SPECIFICATION | |||
| Specification | |||
| Purity | : | 99.6%min. | 99, 5% min |
| Sulphate SO42 | : | 0.1%max. | ≤ 0.04% |
| Heavy metals (Pb+) | : | 0.001%max. | |
| Ferrous (Fe3+) | : | 0.0015%max. | |
| Chloride (Cl-) | : | 0.002%max | ≤0.003% Max |
| Ignition residue(850 oC) | : | 0.08%max. | |
| Appearance | : | Snow White Crystals | |
| Sulphate | : | ≤ 0.04% Max | |
| Heavy Metals As PB | : | ≤ 0.001% | |
| Nitrogen Compounds | : | ≤ 0.008% | |
| Iron | : | ≤ 0.004% | |
| Calcium | : | ≤ 0.007% | |
| Magnesium | : | ≤ 0.005 % | |