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Controlling Metal ions over a broad pH range

VERSENE™ 100 Chelating Agent is an aqueous solution of the tetrasodium salt of ethylenediaminetetraacetic acid. Na4EDTA is the strongest, most versatile, and widely used chelant for controlling metal ions over a broad pH range in aqueous systems. It will not chelate monovalent metal ions such as sodium or potassium, but will chelate most multivalent metal ions (e.g., Fe, Cu, Mn, Ca, Mg, Zn) in a 1:1 molar ratio. The chelation reaction is virtually instantaneous in most cases.


  • Pale amber liquid


  • Improve process efficiency
  •  Reduce scale formation
  • Dissolve inorganic scale
  • Improve bleach performance
  • Prevent metals from reacting with process or product
  • Improve detergency in hard water
  • Offer thermal, light and pH stability


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  • Chelating Agent
  • Detergents
  • Germicidal
  • Hand Sanitizers
  • Herbicides
  • Hydrogen Sulfide Scavenger
  • Leather Processing
  • Metal Cleaners
  • Oil Field Service Chemicals
  • Oil Well Acidizing
  • Oil Well Drilling Fluids
  • Oil Well Drilling Mud
  • Photographic
  • Pulp Bleaching
  • Rubber
  • Sanitizers
  • Scale & Corrosion Control
  • Scale Inhibitor
  • Sequesterant
  • Soap
  • Textile Dyeing
  • Textile Scouring
  • Water Treatment

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