EDTA-4Na (CAS 13235-36-4) is a high-efficiency metal ion chelating agent, white crystalline powder, with a chelation value of ≥ 215mg CaCO/g and a purity of ≥ 99.0%. It is used in textile printing and dyeing
| appearance | White crystalline powder |
| pH (5% aqueous solution) | 10.5-11.5 |
| Chelation value (mg CaCO/g) | ≥215 |
| Iron (as Fe,%) | ≤0.001 |
| Heavy metals (as Pb,%) | ≤0.001 |
Product Name: EDTA-4Na (Tetrasodium Ethylenediaminetetraacetate)
CAS No.: 13235-36-4
Molecular Formula: C₁₀H₁₂N₂O₈Na₄·4H₂O
Molecular Weight: 452.2 g/mol
EDTA-4Na (Tetrasodium Ethylenediaminetetraacetate) is a highly efficient metal ion chelating agent in the form of a white crystalline powder, containing four crystal waters. Its aqueous solution exhibits alkaline properties. This product is widely used across various industrial sectors, including textile printing and dyeing, water treatment, and daily chemicals.
| Parameter | Specification |
|---|---|
| Content (%) | ≥ 99.0 |
| Chloride (as Cl⁻, %) | ≤ 0.05 |
| Sulfate (as SO₄²⁻, %) | ≤ 0.05 |
| Heavy Metals (as Pb, %) | ≤ 0.001 |
| Iron (as Fe, %) | ≤ 0.001 |
| Chelation Value (mg CaCO₃/g) | ≥ 215 |
| pH (5% Aqueous Solution) | 10.5-11.5 |
| Appearance | White crystalline powder |
Physical Properties: White crystalline powder containing four crystal waters; readily soluble in water (aqueous solution is alkaline); slightly soluble in organic solvents such as ethanol
Thermal Stability: May partially or completely lose crystal water under high temperatures
Core Function: Highly efficient metal ion chelating agent with strong complexing ability
Textile Printing and Dyeing Industry:
Enhances color and brightness of dyed fabrics
Eliminates interference from metal ions
Water Treatment:
Water purification agent
Metal ion masking agent
Daily Chemical Industry:
Additive for liquid detergents (improves cleaning efficiency)
Other Industrial Fields:
Synthetic rubber: Styrene-butadiene rubber activator
Pharmaceutical industry: Reagent applications
Paper manufacturing
Photographic material development
Packaging Specifications:
Environmentally friendly composite paper bags (with inner plastic liner)
Plastic drums (with inner plastic liner)
Available in 25 kg/bag or customized packaging
Storage Requirements:
Store sealed in a cool, dry place
Avoid high temperatures and humid environments
Avoid excessive stacking height
Wear appropriate protective equipment during use. Avoid direct contact with eyes and skin. In case of contact, rinse immediately with clean 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) | 10.5-11.5 |
| Chelation value (mg CaCO/g) | ≥215 |
| Iron (as Fe,%) | ≤0.001 |
| Heavy metals (as Pb,%) | ≤0.001 |
| Sulfate (in SO²,%) | ≤0.05 |
| Chloride (as Cl,%) | ≤0.05 |
| Content (%) | ≥99.0 |
