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EDTA Disodium Dihydrate (EDTA-2NA ) CAS 6381-92-6 / 139-33-3
Chemical Name:EDTA-2NA
Molecular Formula:C10H14N2Na2O8
Formula Weight:336.21
CAS No.:139-33-3
Category: Water Treatment
EDTA-2NA Quick Details:
English name: Ethylene diamine tetraacetic acid disodium salt(EDTA-2NA)
CAS No.: 6381-92-6/139-33-3
Molecular Fomula: C10H14N2O8Na2•2H2O
Chemical Structure:Disodium EDTA chemical structure
Appearance: White crystalline powder
EDTA-2NA Specification:
| Test item | Specification |
| Appearance | White crystalline powder |
| Assay(C10H14N2NA2O8.2H2O) % | ≥99.0 |
| PH (1% solution) | 4.3~4.7 |
| Water insoluble % | ≤0.003 |
| Heavy metals [Pb]ppm | ≤20 |
| Lead (as Pb) ppm | ≤10 |
| Arsenic(as As) ppm | ≤3 |
| Nitrilotriacetic acid w/% | ≤0.1 |
| Sulfate (as SO4) % | ≤0.1 |
| Chloride (as Cl) % | ≤0.01 |
| Fe content (as Fe) ppm | ≤50 |
EDTA-2NA Application：
It is mainly used for complexing metal ions and separating metals. Used in textile, printing and dyeing, chemical fiber as processing auxiliaries; Used in the pharmaceutical, papermaking and food industries; Used as water treatment agent; For boiler, water tank descaling agent; Used for agricultural foliar fertilizer sprays.
EDTA-2NA Package and Storage:
25kg/bag
Store at room temperature
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Other product:Zirconium hydride / CAS:7704-99-6