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Aminotrimethylenephosphonic acid

Nitrilotrimethylphosphonic acid is a colorless or slightly greenish crystalline free-flowing powder, readily soluble in water, acids, alkalis, insoluble in organic solvents.

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Synonyms and international names

NTF acid, NTFA, Aminotrimethylenephosphonic acid, Aminotrimethylphosphonic acid, Aminotri- (methanephosphonic acid), Nitrilotri- (methylenephosphonic acid), Nitrilotrimethanephosphonic acid
English. spelling: aminotrimethylenephosphonic acid, ATMP


  • in the oil industry as a regulator of the physical and chemical properties of drilling and grouting fluids, as a scale inhibitor in oil production;

  • in construction as a retarder for the setting time of concrete mixtures in the production of monolithic and precast concrete;

  • in heat power engineering as a scale inhibitor in various heat exchangers;

  • in the pulp and paper industry in the process of bleaching all types of cellulose at the stage of chelation.

Used with this product

- Oxyethylidene diphosphonic acid (HEDP)

- Trilon B disodium salt

- Trilon B tetrasodium salt

- Alpha olefin sodium sulfonate (AOS, AOS)

- Lauric acid

- AMPS (AA / AMPS, acrylic acid)

- Paratoluenesulfonic acid (PTSA)