EDTA-2Na (Disodium EDTA) - High-purity chelating agent (CAS 6381-92-6). Content ≥99%, chelation value ≥265mg CaCO3/g. Used in textiles, cosmetics, pharmaceuticals, water treatment, and industrial processes.
| appearance | White crystalline powder |
| pH (5% aqueous solution) | 4.0-5.0 |
| Chelation value (mg CaCO/g) | ≥265 |
| Iron (as Fe,%) | ≤0.001 |
| Heavy metals (as Pb,%) | ≤0.001 |
Product Name: EDTA-2Na (Disodium Ethylenediaminetetraacetate Dihydrate)
CAS No.: 6381-92-6
Molecular Formula: C₁₀H₁₄N₂O₈Na₂•2H₂O
Molecular Weight: 372.24 g/mol

| Parameter | Specification |
|---|---|
| Content (%) | ≥ 99.0 |
| Chloride (as Cl⁻, %) | ≤ 0.01 |
| Sulfate (as SO₄²⁻, %) | ≤ 0.05 |
| Heavy Metals (as Pb, %) | ≤ 0.001 |
| Iron (as Fe, %) | ≤ 0.001 |
| Chelation Value (mg CaCO₃/g) | ≥ 265 |
| pH (5% Aqueous Solution) | 4.0-5.0 |
| Appearance | White crystalline powder |
Physical Properties: White crystalline powder containing two water molecules of crystallization; easily loses water when dried; highly soluble in water (5% aqueous solution pH 4-5); insoluble in ethanol, ether, and other organic solvents
Core Function: High-efficiency metal ion chelating agent, widely used for metal separation and stabilizing reaction systems
Photographic Materials: Bleach-fix solution for color photographs
Textile Printing & Dyeing: Dyeing auxiliaries, fiber treatment agents
Daily Chemicals: Cosmetic additives, detergent stabilizers
Pharmaceutical & Food: Blood anticoagulants, food chelating agents
Industrial Production:
Synthetic rubber (initiator for styrene-butadiene rubber polymerization)
Agricultural fertilizer production
Heavy metal quantitative analysis reagents
Water Treatment: Controls polymerization reaction rate (chelating iron ions)
Packaging:
25kg/environmental kraft paper woven bags (with inner plastic liner)
Customized packaging available upon request
Storage Requirements:
Store in a cool, ventilated warehouse away from direct sunlight
Moisture-proof and fire-proof; store as general goods
Avoid excessive stacking height
Avoid direct contact with eyes and skin
Wear appropriate protective equipment during handling
In case of contact, rinse immediately with plenty of water
Documentation:
[Safety Data Sheet (SDS)] | [Technical Data Sheet (TDS)] | [Test Report]
Sample Request:
Contact us for complimentary samples and technical support
| appearance | White crystalline powder |
| pH (5% aqueous solution) | 4.0-5.0 |
| Chelation value (mg CaCO/g) | ≥265 |
| Iron (as Fe,%) | ≤0.001 |
| Heavy metals (as Pb,%) | ≤0.001 |
| Sulfate (in SO²,%) | ≤0.05 |
| Chloride (as Cl,%) | ≤0.01 |
| Content (%) | ≥99.0 |