CAS No.: 22042-96-2 (x-Na)
68155-78-2 (7-Na)
Molecular Formula:
C9H23O15N3P5Na7
Molecular weight: 727
Structural Formula:
Properties:
Hepta sodium salt of Diethylene Triamine Penta (Methylene Phosphonic Acid) is the neutral pH Sodium salt version of DTPMPA.It is a general purpose scale inhibitor, powerful sequestrant and excellent barium sulphate scale inhibitor.It is widely used in cool water treatment system, stabilizer for peroxide bleaching, detergent auxiliaries, industrial and municipal cleaning water, terrestrial heat water, oilfield water, etc.
This product also can be used as peroxide stabilizer, chelating agent in weaven and dyeing industry, pigment dispersant, microelement’s carrying agent in fertilizer and concrete modifier. In addition, this product is widely used in fields such as papermaking, electroplating, acid cleaning and cosmetics. Also, It can be used as stabilizer of oxidative disinfectant.
Specification:
| items |
index |
| Appearance |
Dark brown liquid |
Gray to yellow powder solid |
| Active acid %
| 24.0-26.0 |
58.0 min |
| Active salt ％ |
30.0-33.0 |
73.6 min |
| Phosphorous acid（as PO43-）% |
20.2 |
45.0 min |
| Chloride (as Cl-)% |
5.0 max |
10.0 max |
| Fe (as Fe) ppm |
20 max |
40 max |
| pH（1％ solution） |
7.0-9.0 |
6.0~8.0 |
| Density （20℃）g/cm3 |
1.29 min |
|
