EDTA-2Na
name：EDTA-2Na(Ethylenediaminetetraacetic acid disodium salt)
Formula：C10H14N2O8Na2•2H2O
M.W：M=372.24
CAS NO.：6381-92-6
Characters：White crystalline powder. Soluble in water. Chelate with a variety of metallic ions.
Usage：EDTA-2Na can be widely used as a bleach fixing liquid color photosensitive material and dyeing auxiliary, fiber treating agent, cosmetic additive, blood anticoagulant, complexing agent, stabilizer, detergent, synthetic rubber, polymerization initiator and heavy metal quantitative analysis agent etc.
Specification：
Testing Items | Specifications | |
Quality product | Top-quality product | |
Content % | ≥99.0% | ≥99.5% |
Chloride（Cl- ）% | ≤ 0.02% | ≤ 0.01% |
Sulfate（SO42-）% | ≤ 0.02% | ≤ 0.02% |
Heavy Metal（Pb）% | ≤ 0.001% | ≤ 0.001% |
Fer rum（Fe）% | ≤ 0.001% | ≤ 0.001% |
Chelating Value ( mg(CaCO3 )/g ) | ≥ 265 | ≥ 265 |
PH Value（50g/L:25℃） | 4.0-5.0 | 4.0-5.0 |
Transparency(50g/L,60℃ water solution, stirring for 15min) | Clear and Transparent without Impurities | Clear and Transparent without Impurities |
Appearance | White Crystalline powder | White Crystalline powder |
NTA % | ≤ 1 | ≤ 0.1 |