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Crystalline Oxalic Acid
Synonyms Ethanedionic acid
Molecular Formula C2H2O4.2(H2O)
CAS Registry Number 6153-56-6
Melting point 98-102 ºC (dec)
Sublimation 157 ºC
Water solubility 138 g/L (20 ºC)
Oxalic acid is 10,000 times more acidic than acetic acid (acetic acid), which is a strong acid in organic acids. Its first-order ionization constant Ka1=5.9×10^-2 and second-order ionization constant Ka2=6.4×10^-5. It has the common properties of an acid. Crystalline Oxalic Acid Can neutralize with alkali, can make indicator color change, can interact with carbonate to release carbon dioxide.
Advantage of our Crystalline Oxalic Acid :
1, low humidity, free flowing powder
2, low sulfate ≤0.07%
3, large quantity and competitive price
Specification:
| Purity | 99.6%min. |
| Sulphate | 0.07%max. |
| Heavy metals (Pb+) | 0.001%max. |
| Ferrous (Fe3+) | 0.001%max. |
| Chloride (Cl-) | 0.001%max. |
| Ignition residue(850 oC) | 0.06%max. |
Packing: In plastic woven bag with inner PE bag 25kgs net. White Bag or Grey bag
Capacity: 25MT/20FCL without pallet
Application:
Crystalline Oxalic Acid is mainly used as reducing agent and bleach, for the production of antibiotics, borneol and other drugs, as well as the extraction of rare metal solvents, dye reducing agent, tanning agent, etc.Oxalic acid can also be used in the production of cobalt - molybdenum - aluminum catalyst, cleaning of metal and marble and bleaching of textiles.Used for metal surface cleaning and processing, rare earth elements extraction, textile printing and dyeing, leather processing, catalyst preparation, etc.
