Chemical Product Library / Reference

Ethylenediaminetetraacetic Acid Disodium Salt

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Ethylenediaminetetraacetic Acid Disodium Salt

Chemical identity

English nameEthylenediaminetetraacetic Acid Disodium Salt
English synonymsEDTA disodium salt;Disodium edetate;EDTA-2Na
Chinese name乙二胺四乙酸二钠
Chinese synonymsEDTA二钠;依地酸二钠;EDTA-2Na
Chemical categoryFine & Specialty Chemicals
CAS No.139-33-3
EINECS No.205-358-3
Molecular formulaC10H14N2Na2O8
Molecular weight336.21
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Assay ≥99.0%; water ≤0.5%; nitrilotriacetic acid ≤0.1%; heavy metals (as Pb) ≤10 ppm; pH (5% aqueous solution) 4.0–6.0

Performance characteristics

White crystalline powder, soluble in water, strong chelating agent for metal ions

Application scenarios

Food preservative (chelating agent), pharmaceutical excipient, water treatment, textile processing, cosmetics