[CAS No.] 7651-99-2
Molecular Formula:
C6H15O12N2P4Na5 Molecular weight: 546.13
Structural Formula:
Properties:
EDTMP·Na5
is a neutral solid product. It is nitrogenous organic polyphosphonic
acid, which is a part of cathodic corrosion inhibitor. EDTMP·Na5
can be fully dissolved in water, innocuous and none pollution to environment,
has good chemical stability and thermal tolerance. EDTMP·Na5
has good scale inhibition property under temperature 200℃. EDTMP·Na5
can dissociate into 8 positive-negative ions, thus can chelate with
more than two metal ions to form more than two polymer reticulation
complex, the complex can be quickly dissolved in water to destroy the
normal crystallization of calcium scale. EDTMP·Na5
shows better scale inhibition effects to calcium sulfate and barium
sulfate.
EDTMP·Na5
can be used as scale and corrosion inhibitor for circulating water and
boiler water system, chelating agent in non-cyanide electroplating,
water-softening agent in dyeing industry, etc.
The solid state EDTMP·Na5
is slightly easy to deliquescence, convenient in transportation and
suitable for usage in winter and freezing districts.
Specification:
Items |
Index |
Appearance |
Amber transparent liquid |
White powder |
Active content (EDTMP·5Na)% |
30.0-32.5 |
81.4min |
Active content (EDTMPA)% |
24.0-26.0 |
65.0min |
Chloride (Cl-) % |
2.0max |
2.0 max |
Density (20℃)g/cm3 |
1.25max |
- |
Fe ppm |
20max |
20 max |
PH(1% water solution) |
6.0~8.0 |
6.0~8.0 |
Package and Storage:
For liquid: Normally In 250kg
net Plastic Drum, IBC drum can also be used as required. Storage for
ten months in room shady and dry place.
For solid: inner liner polyethylene
(PE) bag, outer plastic woven bag, or confirmed by clients. Storage
for one year in room shady and dry place.
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