Description
Technical Parameters
Products Description
EDTA tetrasodium is a white powdery organic compound that dissolves easily in water. Widely used as hard water softener,multivalent chelating agent,bleach-fix solution in color photographic processing,activator for styrene-butadiene rubber (SBR) production.
Product Name:Ethylene Diaminetetra Acetic Acid Tetrasodium Salt EDTA-4Na
Molecular Weight: 380.17
CAS Registry Number: 64-02-8
Molecular Formula: C₁₀H₁₂N₂Na₄O₈
Technical Parameter
| Item | Standard | YTest Result |
| APPEARANCE | White crystalline powder | White crystalline powder |
| рН 1% р-р 25°C | 10.5-11.5 | 11.2 |
| Purity % | ≥99.0 | 99.6 |
| Chelate Value(mg/g) | ≥220 | 225 |
| NTA% | ≤1 | 0.2 |
| Heavy metals (for ex, Pb) ppm | ≤0.001 | 0.0007 |
| Fe, % | ≤0.001 | 0.0008 |
| Chlorides, % | ≤0.001 | 0.0007 |
| Sulfate,% | ≤0.01 | 0.002 |
Application
EDTA tetrasodium salt is widely used as:
Hard water softener
Multivalent chelating agent
Bleach-fix solution in color photographic processing
Activator for styrene-butadiene rubber (SBR) production
Package
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