EDTA Ethylene
CAS Number: 60-00-4
HS Code: 2921219000
Physical state: Solid, crystalline
Color:white
EINECS:205-358-3
PACKING:25KG/BAG
EDTA-ACID
Here are some of its notable physical properties:
Water Solubility: EDTA acid is highly soluble in water, which makes it convenient for various aqueous applications.
pH Dependence: The solubility and metal chelation properties of EDTA are strongly dependent on pH. It forms stable complexes with metal ions over a wide pH range, typically from pH 2 to 9, with maximum chelating efficiency around pH 8-9.
Complex Formation: One of the most distinctive properties of EDTA is its ability to form stable complexes with metal ions. It typically chelates metal ions in a hexadentate manner, meaning it forms six bonds with a metal ion, thereby effectively sequestering the metal ion from solution.
High Stability Constants: EDTA-metal complexes often exhibit high stability constants, indicating strong binding affinity towards metal ions. This property is crucial in various applications such as metal ion removal in water treatment or masking metal ions in analytical chemistry.
|
Item |
SPECIFICATION |
RESULTS |
| CONTENT | 99.0%MIN | 99.4% |
| CHLORIDE |
0.01%MAX |
0.002% |
| PH ( 1%water solution) |
2.8-3.0 |
2.91 |
| Sulphate | 0.05% MAX | 0.1% |
| CHEI ATE VALUE(mg CaCo3/g) |
339min |
340 |
| IRON (Fe) CONTENT |
0.001%MAX | 0.0001% |
| HEAVY METAL (pb) |
0.001%MAX | - |
| APPEARANCE | WHITE POWDER | WHITE CRYSTAL POWDER |
Medical Applications: In the realm of medicine, EDTA serves as a potent chelating agent, employed in the treatment of heavy metal poisoning. Its capacity to form stable complexes with hazardous metals like lead, mercury, and cadmium aids in their removal from the body, facilitating detoxification processes.
Analytical Chemistry: In the field of analytical chemistry, EDTA plays a pivotal role as a reagent in complexometric titrations. Its remarkable affinity for forming stable complexes with metal ions enables the accurate quantification of metal ion concentrations across diverse sample types.








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