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Tetrasodium salt EDTA solution
Product introduction
EDTA-4Na 40% solution
Product name: Ethylenediaminetetraacetic acid tetrasodium salt
Molecular formula: C10H12N2O8 Na4
Molecular weight: 380.20
Technical index
Item | industrial grade | superior grade |
Appearance | light yellow clear liquid | light yellow or clear liquid |
purity(in 380.2) % | 39.0--40.0 | 39.0--40.0 |
chelating capacity(mgCaCO3/g) | 102--110 | 102--110 |
chloride(Cl)% | ≤ 0.01 | ≤ 0.01 |
sulfate(SO42-) % | ≤ 0.05 | ≤ 0.05 |
heavy metal(as Pb) % | ≤ 0.001 | ≤ 0.001 |
ferrum% | ≤ 0.001 | ≤ 0.001 |
PH(25℃) | 11.0-12.0 | 10.5-11.5 |
Nitrilotriacetic acid % | ≤2.0 | ≤0.2 |
Uses: Mainly applied in acrylic fibers industry to cancel metal interference to improve colour and luster of textiles; also applied in liquid detergent to improve washing effect
Packaging: 250kg plastic drum or tons drum or on demand
Storage: should be preserved in cool and dry place; seperate with acidic material and strong oxidant