Product name: Sodium oxalate
Formula:C2Na2O4
Formula weight:133.99
CAS:62-76-0
Einecs:200-550-3
H.S CODE:29171190
Usage: Used as a yellow luminescent agent for fireworks, for leather, fabric finishing and so on. Used as a masking agent for leather processing, which can enhance the alkali resistance of the complex. Not easy to precipitate. Mainly for the production of oxalic acid intermediates, can also be used for cellulose finishing agent, textiles, leather processing. textile finishing, organic chemical material, and so on.
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.
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.
| Contents | GB/T 1289-94 |
| Appearance | white crystal powder |
| Content (Na2C2O4) w/% ≥ | 99.5 |
| PH(30g/L solution,25℃ | 7.5-8.5 |
| Clarity test | Conform |
| Waterinsoluble substances w/% ≤ | 0.01 |
| Loss on drying w/% ≤ | 0.02 |
| Chlorides（Cl），w/% ≤ | 0.002 |
| Sulphur compound(SO4),w/% ≤ | 0.004 |
| Total nitrogen(N),w/% ≤ | 0.002 |
| Potassium(K),w/% ≤ | 0.01 |
| Iron(Fe),w/% ≤ | 0.0005 |
| Heavy metal(as Pb),w/% ≤ | 0.002 |
| Carbonaceous ash | Conform |
