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NTA Acid

Description :

Nitrilo Triacetic Acid is a Sequestering Agent / Chelating Agent. Nitrilo Triacetic Acid is the aminopolycarboxylic acid. It is widely known as NTA. It is a white powder. It is widely used to dissolve Metallic Impurities. NTA Acid is insoluble in water. and is produced by taking a reaction between formaldehyde, alkali metal cyanide and ammonia. It can also be prepared by taking a reaction between Monochloro Acetic Acid,soda ash, Ammonia and caustic lye.


NTA acid should be stored in a cool dry place. Keep away from water.In case of fire, do not use water. Use a dry chemical extinguisher.


NTA acid and its strong solution causes serious irritant to eyes and skin. While handling this product, please wear goggles, gloves, rubber boots .In case of spillage wash it with plenty of water .In case of injury to skin, drench it with water and then wash thoroughly with soap and water. However looking to the seriousness of each case, medical attention must be obtained.


NTA Acid is packed in 25 kgs laminated HDPE bags with one polyethylene liner or as per customers requirement.

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Product Name NTA Acid
CAS # 139-13-9
Molecular Formula C6H9NO6
Molecular Weight 191.14
Appearance White Crystalline Powder
Solubility Insoluble In Water, Soluble in Alkalies
Assay 99.0% Min
Chelation Value as mg. of CaCO3 520.0

Applications :

NTA is a tripodal tetradentate trianionic ligand.The uses of NTA are similar to those of EDTA, both being chelating agents. It is used for water softening and as a replacement to sodium and potassium triphosphate in detergents, and cleansers.In one application, NTA as a chelating agent removes Cr, Cu, and As from wood that had been treated with chromated-copper arsenate. NTA is a Sequestering Agent, which is used in various Industries such as Pharmaceutical, Photography, Textile, Boiler Turbine scale removal, Agriculture as a Micronutrient for Plant Growth, Water Treatment, Laboratory Reagent, Food & Beverages, Cosmetics, Soaps & Detergents, etc. It is used for removing unwanted inorganic impurities present in the system, which helps in getting superior performance & cost saving.NTA is used as a metal compled in the manufacturer of copper Phthalocyanine.


  • White
  • Water Soluble
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