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- Product:
- Ethylene Diamine Tetraacetic Acid (EDTA)
- Formula:
- C10H16N2O8
- CAS No.:
- 60-00-4
- Product No.:
- SP2059
- Package:
- 25Kg/Drum or in terms of customer's requirements.
Physicochemical Properties
The solubility in water is 0.5g/l at 25 ℃. Insoluble in cold water, alcohol and general organic solvents. Soluble in sodium hydroxide, sodium carbonate and ammonia solution.
Specification
|
ITEM |
SPECIFICATION |
RESULT |
|
Appearance |
White Crystal Powder |
White Crystal Powder |
|
Purity (%) |
≥99.5 |
99.7 |
|
PH (0.5g/1,25℃) |
2.6-3.2 |
2.9 |
|
Chelated value |
≥339 |
339 |
|
Bicarbonate solution solubility test |
Pass |
Pass |
|
Sulfate |
≤0.001 |
0.0007 |
|
Chlorides (%) |
≤0.001 |
0.0007 |
|
Fe (%) |
≤0.001 |
0.0008 |
|
Heavy Metals (as Pb) % |
≤0.001 |
0.0008 |
|
Residue on Ignition |
≤0.1 |
0.01 |
|
NTA (%) |
≤0.1 |
0.01 |
|
Loss on Drying (105±2℃) % |
≤0.2 |
0.017 |
Applications and Usages
EDTA is used as chelating agent in cosmetics. It is often used as nuclease and protease inhibitor. It can also be used to remove the inhibition of heavy metal ions on enzymes.
