Product Information
CAS 139-33-3
Molecular Formula C₁₀H₁₄N₂Na₂O₈
Molecular Weight 336.21
Synonym Anhydrous EDTA Disodium Salt, EDTA-2Na Anhydrous
Appearance White crystalline powderChemphysical Properties
Solubility: Soluble in water, insoluble in ethanol
pH (1% aqueous solution): 4.0–5.5
Hygroscopicity: Hygroscopic, absorbs moisture from air
Function: Forms stable complexes with polyvalent metal ions
Quality Specification
| Test Item | Standard |
|---|---|
| Assay | 99.0%~101.0% |
| Loss on drying | ≤0.5% |
| Heavy Metals (Pb) | ≤0.001% |
| Iron (Fe) | ≤0.001% |
| Chloride | ≤0.01% |
| Sulfate | ≤0.05% |
Application & Use
Cosmetics: Metal sequestrant, avoid discoloration and oxidation
Pharmaceuticals: Stabilizer for liquid formulations, analytical reagent
Water treatment: Scale inhibitor, water softener
Detergent & industrial cleaning: Improve cleaning performance
Textile, paper, electroplating auxiliariesPacking Delivery & Storage
Package: 25kg woven bag with PE inner liner
Storage: Keep sealed in cool, dry and ventilated warehouse, prevent moisture
Transport: Avoid heavy rain and package breakage
chemical.tnj
+8618949823763
tnjchem
2881500864