EDTA 2Na
■ Chemical Description
--Ethylene Diamine Tetraacetic Acid Disodium (abbr. EDTA 2Na)
■ CAS No. 139-33-3
■ Molecular and Structural Formula C10H16N2Na2O8
■ Characteristics
-- White crystal powder;
-- Soluble in water, nearly not soluble in alcohol, and acid in water solution;
■ Specification
No |
Tests |
Specification |
1 |
Purity % |
≥99.0 |
2 |
Chloride (Cl) % |
≤0.05 |
3 |
Sulfate (SO4) % |
≤0.05 |
4 |
Iron (Fe) % |
≤0.001 |
5 |
Heavy metal (Pb) % |
≤0.001 |
6 |
Chelate value (mgCaCO3/g) |
≥260 |
7 |
pH value |
4.0-5.0 |
■ Application
--Used in photographic chemicals, detergent, textile auxiliaries, fiber treatment agent, leather chemicals, paper chemicals, medicament, chemicals (whether) refined, synthetic rubber, micronutrient fertilizer production and sea farming, etc;
--Water quality steady agent which used in water treatment agent, cleaner, boiler scale inhibitor, corrosion inhibitor;
■ Packaging and Storage
--Packed in 25kg fiber bag, inner lined with PE bags;
--Stored in dry place at room temperature;
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