Product Name: Oxalic Acid
CAS No: 144-62-7
Einecs No: 205-634-3
HS Code: 2917111000
Formula: C2H2O4·2H2O
Grade Standard: Tech Grade
Appearance: Colorless columnar crystals
Packaging Details: 25KG/BAG, 1000KG/BAG
Application:
Metallurgy: For precipitation and separation of rare earth metals.
Pharmaceutical Industry: Production of medications like tetracycline and oxytetracycline.
Light Industry: Used in marble polishing, rust removers, bleaching agents, stain removers, leather processing, and surface treatment of materials like wood and aluminum products.
Textile Dyeing: As bleaching agent for textiles and a mordant for fast-drying dyes.
Organic Synthesis: Used in manufacturing 2133 resin, urea-formaldehyde molding powder, and butadiene catalysts.
Electronics Industry: Producing chemical raw materials used in ceramic capacitors and cleaning agents for electronic equipment.
Specification:
| Item | Range | Unit | Standard | |
|---|---|---|---|---|
| Superior Class | First Class | |||
| Purity (as C2H2O4·2H2O) | ≤ | ω/% | 99.6 | 99 |
| Sulfate (as SO4) | ≤ | ω/% | 0.07 | 0.1 |
| Burning residue | ≤ | ω/% | 0.01 | 0.08 |
| Heavy metals (as Pb) | ≤ | ω/% | 0.0005 | 0.001 |
| Iron (Fe) | ≤ | ω/% | 0.0005 | 0.0015 |
| Chloride (as NaCl) | ≤ | ω/% | 0.0005 | 0.002 |
| Calcium (as Ca) | ≤ | ω/% | 0.0005 | – |
