Ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4Na)
Product name: Ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4Na)
Molecular Fomula: C10H12N2O8Na4.4H2O
Molecular weight:M=452.23
CAS No.: 13254-36-4
Properties: white crystal powder soluble in water, and chelation with a variety of metal ion.
Quality Index: (Q/24SJK02-2009 Quality standard)
| Content% | 99% |
| Chloride(Cl)% | ≤ 0.01 |
| Sulfate(SO4)% | ≤ 0.05 |
| Metal chelate(Pb)% | ≤ 0.001 |
| Iron(Fe)% | ≤ 0.001 |
| Chelate: mgCaCO3/g | 102-110 |
| pH Value(10g/L,25ºC) | 10.5-11.5 |
| NTA % | ≤0.2 |
| Chroma(Hazen) | ≤ 50 |
| Specific gravity 25/25ºC(g/ml) | 1.20-1.30 |
| Appearance | light yellow and amber liquid |
Packing: 250KG drums or according to the customers' demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down