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Ethylene Diamine Tetraacetic Acid Tetrasodium Salt (EDTA.Na4)

CAS No. 13235-36-4 EINECS No. 200-573-9
Molecular Formula C10H12N2O8Na4•4H2O Molecular Weight 452.23
Structural Formula

Product Features

EDTA.NA4 is white crystalline powder,easily soluble in water and slightly soluble in organic solvent. EDTA.NA4 is excellent chelating agents/complexing agents.

Technical Specification

Parameter Standard
Appearance White Crystalline Powder
Active content, % 99.0 min
Chloride (as Cl-), % 0.02 max
Sulfate(SO42-) 0.05 max
Ferrum, % 0.001 max
Chelating value(mgCaCO3/g) 215 min
pH (1% solution) 10.5-11.5

Applications & Usage

EDTA.NA4 is widely used chelation agent of metal ion. EDTA.NA4 is used for textile dyeing, water treatment, color photography, medical, daily chemical and papermaking industry. EDTA.NA4 is used as additive, active agent, water purifying agent, smoke agent for shielding of metal ion and active agent of butadiene styrene rubber.

Package & Storage

25kg Bag
Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and hanlde with care.

Hazard & Safety Precaution

Hazard Information Satety Precaution

Not Regulated

Once contacted with eye and skin, flush with plenty of clean water.

Alternative Name / Synonyms

  1. Ethylenediaminetetraacetic Acid Tetrasodium Salt Trihydrate;
  2. EDTA Tetrasodium