StructureAminotris (methylene phosphonic acid) (ATMP)
CAS No. 6419-19-8
EC No. 229-146-5
Synonyms Amino, tris(methylene phosphonic acid); Aminotris(methanephosphonic acid); Amino, tris(methylene phosphonic acid); Aminotris(methylphosphonic acid); ATMP; Nitrilotrimethanephosphonic acid; Nitrilotrismethylenetriphosphonic acid; Nitrilotris(methylene)triphosphonic acid, 50 wt% solution in water; Nitrilotris(methylphosphonic acid); Tris(phosphonomethyl)amine

Aminotris (methylene phosphonic acid) (ATMP)

​Aminotris (Methylene Phosphonic Acid) (ATMP) is an effective scale inhibitor used in various industrial applications such as industrial water treatment and detergents. It further shows good corrosion inhibition properties in presence of zinc and other phosphates. ATMP can be also used as chelating agent in the textile industry.


  • Cooling water systems / industrial water treatment
  • Industrial detergents
  • Metal surface treatment as corrosion inhibitor for steel
  • Stabilizer in H2O2 solutions
  • Sequestering agent in textile auxiliaries

Shelf Life

Under proper storage conditions, the shelf life is 12 months

 Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet)