Product name:EDTA Tetrasodium Dihydrate(EDTA-4Na·2H2O)
Executive Standard:Q/24SJK14-2017
CAS no:13254-36-4
Molecular formula:C10H12N2O8Na4 ·2H2O
Molecular weight:452.23
:,
Characteristics:white crystal powder.Soluble in water,can chelate with a variety of metal ions.
Technical Specifications
Executive Standard:Q/24SJK14-2017
CAS no:13254-36-4
Molecular formula:C10H12N2O8Na4 ·2H2O
Molecular weight:452.23
:,
Characteristics:white crystal powder.Soluble in water,can chelate with a variety of metal ions.
Technical Specifications
| S/N | Specifications | Industrial Grade | Cosmetic Grade | Spray 4Na | 4na·2H2O |
| 1 | Purity% | ≥99.0 | ≥99.5 | ≥99.3 | 107-109 |
| 2 | Chloride,(as Cl)% | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| 3 | Sulfate,(as SO4)% | ≤0.05 | ≤0.05 | ≤0.03 | ≤0.05 |
| 4 | (Pb)% | ≤0.001 | ≤0.001 | ≤0.001 | ≤0.001 |
| 5 | (Fe)% | ≤0.001 | ≤0.001 | ≤0.0005 | ≤0.001 |
| 6 | MgCaCO3/g | ≥220 | ≥220 | ≥220 | ≥234 |
| 7 | PH | 10.5-11.5 | 10.5-11.5 | 10.5-12.5 | 10.5-11.5 |
| 8 | NTA % | ≤1.0 | ≤0.1 | ≤3.0 | |
| 9 | Stacking Density (g/l) | | | 600-800 | |
| 10 | Appearance | White Crystal Powder | White Crystal Powder | White Powder | White Crystal Powder |