; |
HDEP
1-Hydroxyethane-(1,1-di-phosphonic acid)
| Cublen |
K
60 |
K
3014 |
K
2012 |
K
4023 |
K
2222 |
| Chem.
Identity |
acid |
Na4-salt |
Na2-salt |
K3-salt |
K2-salt |
| Abbreviation |
HEDP |
Na4HEDP |
Na2HEDP |
K3HEDP |
K2HEDP |
| CAS-No.
EINECS-No. |
2809-21-4
220-552-8 |
3794-83-0
223-267-7 |
7414-83-7
231-025-7 |
60376-08-1
262-203-2 |
21089-06-5
244-210-2 |
| Appearance |
colorless
to yellowish clear liquid |
Active
substance
(calculated as acid) |
60
% |
20
% |
16,5
% |
26
% |
15
% |
Active
substance
(calculated as salt) |
- |
30
% |
20
% |
40
% |
22
% |
| Density
(g/cm³) @ 20°C |
1.45 |
1.30 |
1.17 |
1.35 |
1.17 |
| pH
(1%) @ 20°C |
1
- 2 |
11
- 12 |
4
- 6 |
7
- 9 |
5
- 7 |
| Cublen |
K
8514 GR |
K
8514 P |
K
9012 P |
| Chem.
Identity |
Na4-salt |
Na4-salt |
Na2-salt |
| Abbreviation |
Na4HEDP |
Na4HEDP |
Na2HEDP |
| CAS-No.
EINECS-No. |
3794-83-0
223-267-7 |
3794-83-0
223-267-7 |
7414-83-7
231-025-7 |
| Appearance |
white
granules |
white
powder |
Active
substance
(calculated as acid) |
60
% |
60
% |
>
74 % |
Active
substance
(calculated as salt) |
85
% |
85
% |
>
90 % |
| bulk
density (g/cm³) |
1.0 |
0.5 |
0.5 |
| pH
(1%) @ 20°C |
11
- 12 |
11
- 12 |
4
- 6 |
Functional properties
| Inhibition of
CaCO3 precipitation |
excellent |
| Inhibition of
CaSO4 precipitation |
satisfactory |
| Sequestration
of metal ions |
very good |
| Corrosion inhibition
on unalloyed steel |
very good |
| Recommended
applications
-
detergents
and cleaning agents
-
cooling
water and boiler water treatment
-
calcium
carbonate scaling inhibition
-
sequestration
of metal ions
-
prevention
of rancification in cosmetic products
(hair care, soaps)
-
dispersion
auxiliary for pigments (TiO2) in paints
-
stabilization
of peracetic acid (acetic acid/H2O2-mixtures)
|
|
|
|
