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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