EDTA 4Na
■ Chemical Description
--Ethylene diamine tetraacetic acid tetrasodium salt (abbr. EDTA 4Na)
■ CAS No. 64-02-8
■ Molecular and Structural Formula C10H12N2O8Na4
■ Characteristics
--White crystal powder;
--Soluble in water and acid, and not soluble in alcohol and other organic solvents;
■ Specification
No |
Tests |
Specification |
1 |
Purity % |
≥99.0 |
2 |
Iron (Fe) % |
≤0.001 |
3 |
Heavy metal (Pb) % |
≤0.002 |
4 |
Chelate value mgCaCO3/g) |
≥215 |
5 |
pH value |
10.5-11.5 |
■ Application
--Used as water-softening agents, catalysts of synthetic rubber, printing and dyeing adjuvants, detergent adjuvants;
■ Packaging and Storage
--Packed in 25kg paper bag, inner lined with PE bags;
--Stored in dry place at room temperature;
【Last】 【Next】 【Return】 |