Name: Ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4Na)
English name: Ethylene diamine tetraacetic acid tetrasodium salt
Molecular formula: C10H12N2O8Na4·4H2O
Molecular weight: M=452.23
CAS number: 13235-36-4
Properties: white crystalline powder. Soluble in water, can chelate with a variety of metal ions.
Quality index: (Q/24SJK02-2009 quality standard)
| Inspection index | Standard indicators |
| Content (based on 452.2)% | ≥99.0 |
| Chloride (calculated as Cl)% | ≤ 0.01 |
| Sulfate (calculated as SO4)% | ≤ 0.05 |
| Heavy metals (calculated as Pb)% | ≤ 0.001 |
| Iron (calculated as Fe)% | ≤ 0.001 |
| Chelation value: mgCaCO3/g | ≥ 215 |
| pH value | 10.5-11.5 |
Appearance: white crystalline powder
Packaging: 25kg/bag or according to customer requirements
Storage: Store in a dry and ventilated warehouse, avoid direct sunlight, and stack gently.
