StructureDiethylenetriaminepenta (methylenephosphonic acid) sodium salt (DTPMPA Na)
CAS No. 22042-96-2
EC No. 244-751-4
Synonyms DTPMPA 2Na; DTPMPA 7Na; Phosphonic acid,[ [bis[2-[bis(phosphonomethyl)amino]ethyl]amino]methyl]-, sodium salt; Diethylenetriaminepenta (methylenephosphonicacid) sodium salt

Diethylenetriaminepenta (methylenephosphonic acid) sodium salt (DTPMPA Na)

Diethylenetriamine penta(methylene phosphonic acid) sodium salt (DTPMPA Na) is a cost effective scale inhibitor used in various industrial applications such as industrial water treatment and detergents. It further shows good stability in presence of chlorine as well corrosion inhibition properties in presence of zinc and other phosphates. DTPMPA Na can be also used as chelating agent in the textile industry.


  • Cooling water systems / industrial water treatment
  • Industrial detergents
  • Swimming pools
  • Metal surface treatment as corrosion inhibitor for steel
  • Sequestering agent in textile auxiliaries
  • Peroxide bleach stabilizer

​Packaging & Shelf Life

Drums of 250kg net, IBCs / totes of 1.250kg net, Bulk, others on request

Under proper storage conditions the shelf life is 12 months.

Health & Safety

Detailed information on the product can be found in our Material Safety Data Sheet.