EDTA 4Na
CAS No.: 13236-36-4
EINECS No.: 200-573-9
Chemical name: Ethylenediaminetetraacetic acid tetrasodium salt, tetrahydrate
Molecular formula: C10H12N2O8Na4•4H2O
Molecular weight: M=452.23
| Assay (EDTA.4Na.4H2O) | ≥99% |
| Chloride | ≤ 0.01% |
| Sulfate | ≤ 0.05% |
| pH (1% solution) | 10.5-11.5 |
| Iron (Fe) | ≤ 0.001% |
| Heavy metals (as Pb) | ≤ 0.001% |
| Chelate value (mgCaCO3/g) | ≥215 |
| Appearance | White crystalline powder |
Used as water softener, chelating agent, initiator in SBR, acrylic fibre, additive to textile printing, detergent, etc.
Packing
25kg per bag or as per customer's requirement
Shelf life: one year under proper storage condition
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