1.Introduction
CAS NO.: 
144-62-7
Molecular Forula: H2C2O4.2H2O
Property: white transparent crystal combining wo crystal water, Melting point: 101-102ºC, Specific agravity: 1.653, easily sublimate at 100ºC, easily dissolve in alcohol and water.
2.Certificate of analysis
| Product name | Oxalic Acid | Standard | GB/T 1628-2008 | ||
| Index | Specification | Result | |||
| Oxalic acid (as H2C2O4 2H2O) | 99.6%min | 99.68 | |||
| Sulfate (as SO4) | 0.07%max | 0.007% | |||
| ignited residue (850 degree) | 0.01%max | 0.005% | |||
| Chloride (Cl) | 0.0005%max | 0.0004% | |||
| Calcium(Ca) | 0.0005%max | 0.0003% | |||
| Iron (Fe) | 0.0005%max | 0.00007% | |||
| Heavy Metal (as Pb) | 0.0005%max | 0.0003% | |||
| Test Conclusion : Qualified | |||||
3.Packing
25kg/bag   1000bags/20fcl   25mt/20fcl
4.Usage
Matallurgy Industry: as precipitating and resolving agent for rare earth metal, etc.
Oranic synthesis: for 2123 resin, urea form aldehyde powder etc.
Light industry: Polishing of mable, removing rust, bleaching products of leather, wood and aluminium etc.
Printing industry: to be used as dyeing agent.
Medicine industry: for maing tetracydine, HCL etc.
Others: As laboratory agent, solvents activator and basic materials for chemical industry.