Oxalic Acid Online
Other Name﹕ETHANDIOIC ACID, ACIDO OXALICO,DIHYDRATE
CAS Number:6153-56-6
Formula﹕H2C2O4.2H2O
Formula WT.﹕126.07
Physical state: white powdery crystal
PACKING:25KG/BAG
Xiamen Ditai Chemicals Co., Ltd. is one of the most reliable manufacturers and suppliers of oxalic acid online in China. Welcome to buy high quality chemical products at competitive price from our factory.
OXALIC ACID
Oxalic acid is a crystalline solid at room temperature and is colorless. It is highly soluble in water, forming a clear, colorless solution. The solubility in other solvents such as ethanol is lower. It has a melting point of about 101-102°C and decomposes before boiling. It is a relatively strong acid in aqueous solution, capable of donating two protons per molecule. The acid dissociation constant (pKa) values for its two dissociation steps are approximately 1.27 and 4.27. It is notable for its ability to form stable complexes with metal ions, due to its bidentate chelating properties. These properties make oxalic acid useful in various industrial applications, such as in bleaching processes, as a cleaning agent, and in the synthesis of chemicals and pharmaceuticals.
|
Test Items |
Standard |
|
Oxalic acid (as H2C2O4 2H2O) |
99.6%min |
|
Sulfate (as SO4) |
0.07%max |
|
ignited residue (850 degree) |
0.01%max |
|
Chloride (Cl) |
0.0005%max |
|
Calcium(Ca) |
0.0005%max |
Oxalic acid finds extensive application in water treatment processes due to its unique properties. It is commonly utilized as a chelating agent to bind with metal ions like calcium and iron, thereby preventing scale formation in water pipes and industrial equipment. In addition to its role in preventing scaling, it is effective in removing rust stains and mineral deposits from surfaces through its acidic properties. Its ability to form soluble complexes with metals makes it valuable in cleaning and maintenance routines, ensuring efficient operation of water systems and extending the lifespan of equipment. It's versatility in water treatment underscores its importance in maintaining water quality and operational efficiency across various industries.








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