Product Information
Chemical Name Ethylenediaminetetraacetic acid tetrasodium salt tetrahydrate
Alias EDTA-4Na, EDTA Tetrasodium Tetrahydrate
CAS No. 13254-36-4Molecular Formula C₁₀H₁₂N₂O₈Na₄·4H₂O
Molecular Weight 452.23
Chemical Type Organic chelating agentChemphysical Properties
Appearance White crystalline powder
Solubility Easily soluble in water, insoluble in ethanol
pH (1% aqueous) 10.5 ~ 11.5
Odor OdorlessQuality Specification (Industrial / Cosmetic Grade)
| Test Item | Standard Grade |
|---|---|
| Assay (EDTA-4Na·4H₂O) | ≥99.0% |
| Chelating Value | ≥220 mg CaCO₃/g |
| Chloride (Cl) | ≤0.01% |
| Iron (Fe) | ≤0.001% |
| Heavy Metal (Pb) | ≤0.001% |
| Water Insoluble Matter | ≤0.1% |
Application & Use
EDTA-4Na is a versatile chelant to sequester metal ions. It stabilizes cosmetic formulations, prevents discoloration and rancidity. Also used in laundry & industrial detergents, water softening, textile printing & dyeing, paper industry and polymer production.
Packing Delivery & Storage
Packing: 25kg woven bag with inner PE bag.
Storage: Keep container tightly sealed, store in cool, dry and ventilated warehouse, avoid moisture.
Shelf life: 24 months under proper storage.
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