1、Chemical Name: Oxalic Acid
2、Molecular Formula: H₂C₂O₄·2H₂O
3、Molecular Weight: 126.076
4、CAS: 6153-56-6
5、Character: It is colorless transparent monoclinic crystal system. Usually present as dihydrate. Melting point 101~102℃. Soluble in water, slightly soluble in ether and ethanol. Anhydrous oxalic acid is formed by easy weathering and loss of water. Anhydrous melting point 189.5℃ (decomposition).
6、Usage: It’s used as reducing agent and bleaching agent.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| Specification |
GB/T 1626-2008（Oxidation Process） |
| Content (H₂C₂O₄·2H₂O), w/% ≥ |
96.0 |
| Sulfates (as SO₄), w/% ≤ |
0.4 |
| Ignition residue, w/% ≤ |
0.15 |
| Heavy metal (as Pb), w/% ≤ |
0.0005 |
| Iron (Fe), w/% ≤ |
0.005 |
|
Chlorides (as Cl), w/% ≤ |
0.01 |
