EDTA 4na Ethylenediaminetetraacetic Acid Tetrasodium Salt CAS 64-02-8, 13254-36-4

• Formula

  C₁₀H₁₂N₂Na₄O₈.2H₂O (commonly dihydrated form)

• CAS

  64-02-8 (Dihydrate),

  13254-36-4 (Tetrahydrate)

• Synonym name

  EDTA-Na4 

  EDTA Tetrasodium 

  Edetate sodium 

  EDTA tetrasodium salt

  Ethylene Diamine Tetraacetic Acid tetrasodium
• Molecular weight 452.23g/mol (hydrated)
• EINECS number 200-573-9
• H.S. Code 293219.9090

Specification

• Appearance White crystalline powder
• Odor odorless
• PH 8.0 - 10.0 (1% aqueous solution)
• Melting point 300^oC (decomposes)
• Bulk density ~1.3g/cm³
• Solubility

  Freely soluble in water (≥100g/L, 25oC),

  Insoluble in organic solvents (ethanol, acetone)

• Stability Hygroscopical.

Application

Wide used for many applications:

Industry:

water treatment (scale and corrosion inhibition),

detergent additives (softens hard water),

Textile processing (metal ion sequestration),

Pharmaceutical:

Anticoagulant (prevents blood clotting),

Metal detoxification agent.

Food additives: preservative (stabilizer for color and texture),

Laboratory: Analytical reagent for metal titration.

Handing and Safety