| Cublen | D 5012 | D 4812 |
|
Chem. Identity |
Na2-salt | Na2-salt |
| Abbreviation | Na2DTPMP | Na2DTPMP |
| CAS-No.
EINECS-No. |
22042-96-2
244-751-2 |
22042-96-2
244-751-2 |
| Appearance | brown clear liquid | |
| Active substance (calculated as acid) | 51 % | 45 % |
| Active substance (calculated as salt) | 55 % | 48 % |
| Density (g/cm³) @ 20°C | 1.4 | 1.4 |
| pH (1%) @ 20°C | 2 | 2 |
DTPMP
Diethylenetriamine-penta(methylene phosphonic acid)
| Cublen | D 3217 N | D 3217 | D 4217 | D 8817 P |
|
Chem. Identity |
Na7-salt | Na7-salt | Na7-salt | Na7-salt |
| Abbreviation | Na7DTPMP | Na7DTPMP | Na7DTPMP | Na7DTPMP |
| CAS-No.
EINECS-No. |
22042-96-2
244-751-2 |
22042-96-2
244-751-2 |
22042-96-2
244-751-2 |
22042-96-2
244-751-2 |
| Appearance | brown clear liquid | yellowish powder | ||
| Active substance (calculated as acid) | 25 % | 29 % | 32 % | 70 % |
| Active substance (calculated as salt) | 32 % | 37 % | 42 % | 88 % |
| Chloride (%) | < 4.9 | < 2.5 | < 5.0 | |
| Density (g/cm³) @ 20°C | 1.3 | 1.3 | 1.4 | 0.5 (bulk density) |
| pH (1%) @ 20°C | 7 - 8 | 7 - 8 | 6 - 8 | 6 - 8 |
Functional properties
| Inhibition of CaCO3 precipitation | very good |
| Inhibition of CaSO4 precipitation | very good |
| Sequestration of metal ions | excellent |
| Corrosion inhibition on unalloyed steel | very good |
Recommended applications
- detergents and cleaning agents
- sequestration of metal ions
- stabilization of peroxide bleaching baths
- oilfield water treatment
- corrosion inhibition
- setting retarder, deflocculation agent an liquifier
for ceramic slurries and concrete

