Oxalic acid

Chemical Name: Oxalic acid
Molecular Formula: H₂C₂O₄·2H₂O
Molecular Weight: 126.07
CAS No. : 144-62-7
Standard Executed: GB/T 1626-2008

Appearance
• White crystals.

Application
• Used for metal cleaning and treatment, rare earth element extraction, textile printing and dyeing, leather processing, catalyst preparation, etc.
• Printing and dyeing industry can replace acetic acid and be used as color aid and bleach for pigment dyes.

Packing
• Net weight：25kg/bag；
• PP woven bags , with inner PE bags.

Specification

Item	Standard
Item	High-Class	First-Class
Oxalic acid (as H2C2O4-2H2O)ω/% ≥	99.6	99.0
Sulfate (as SO4) ω/% ≤	0.07	0.10
Burning residue ω/% ≤	0.01	0.08
Heavy metals (as Pb)ω/% ≤	0.00050	0.001
Iron (Fe) ω/% ≤	0.0005	0.0015
Chloride (as NaCl) ω/% ≤	0.0005	0.002
Calcium (as Ca) ω/% ≤	0.0005	---

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