Edta 4na 4h2o
CAS Number: 60-00-4
HS Code: 2921219000
Physical state: Solid, crystalline
Color:white
EINECS:205-358-3
PACKING:25KG/BAG
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EDTA-ACID
Physical properties:
Crystalline Structure: In its solid form, EDTA acid can crystallize into various shapes depending on the conditions of crystallization.
Hygroscopic Nature: It possesses hygroscopic properties, meaning it readily absorbs moisture from its surroundings. This characteristic impacts its handling and storage requirements. It, also known as ethylenediaminetetraacetic acid, presents as a colorless crystalline solid with a molecular weight of 292.24 g/mol. It demonstrates high solubility in water and forms stable complexes with metal ions. With a relatively low melting point of approximately 250°C, it absorbs moisture from the atmosphere due to its hygroscopic nature. Additionally, it lacks odor and does not volatilize at room temperature, making it a common choice in various industrial and scientific applications for its chelating abilities.
|
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 |
Water softening: In both household and industrial contexts, EDTA (ethylenediaminetetraacetic acid) is utilized to eliminate "hardness" ions like calcium and magnesium from water, thereby averting the buildup of scale deposits. Complexometric titrations: it serves as a common titrant in complexometric titrations, facilitating the determination of metal ion concentrations within a sample. Its capacity to form stable complexes renders it suitable for precise analytical assessments. Redox properties: Although it itself lacks redox activity, its metal complexes can engage in redox reactions, rendering it valuable in specific chemical and biochemical processes.
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