PBTC
2-Phosphonobutane-1,2,4-tricarboxylic
acid
| Cublen |
P
50 |
P
4014 |
| Chem.
Identity |
acid |
Na4-salt |
| Abbreviation |
PBTC |
Na4PBTC |
| CAS-No.
EINECS-No. |
37971-36-1
253-733-5 |
66669-53-2
266-791-2 |
| Appearance |
colorless
to yellowish clear liquid |
Active
substance
(calculated as acid) |
50
% |
30
% |
Active
substance
(calculated as salt) |
- |
40
% |
| Density
(g/cm³) @ 20°C |
1.3 |
1.4 |
| pH
(1%) @ 20°C |
2 |
10 |
Functional
properties
| Inhibition
of CaCO3 precipitation |
excellent |
| Inhibition
of CaSO4 precipitation |
very
good |
| Sequestration
of metal ions |
good |
| Corrosion
inhibition on unalloyed steel |
good |
|
