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;

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