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| ADD： Xiantao, Hubei, China. |
| TEL： +86-728-2782455 |
| FAX： +86-728-2785177 |
| P.C.： 433016 |
| E-mail： sales@xdhg.net |
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WT-HEDP(S) Hydroxy ethylene diphpshoric acid |
| Product Name: |
Hydroxy ethylene diphpshoric acid |
| Molecular Formula: |
C2H8O7P3 |
| Molecular Weight: |
206.03 |
| Structural Formula: |
 |
| Use: |
In the anti-corrosion and scale inhibiting of circulation cooling water, boiler, heat exchanger, water pipes, oil field affusion etc. |
| Quality Index: |
(conform to HG/T3537-1999) |
| Appearance: |
colorless, light yellow ropy transparent liquid, no precipitation |
| Technical Index: |
| Item |
Index |
| Best Quality |
First Quality |
Qualifier |
| Active Content(as HEDP), % ≥ |
58.0 |
54.0 |
50.0 |
| Phosphorous Acid(以PO43-计), % ≤ |
1.0 |
3.0 |
5.0 |
| Phosphoric acid(as PO43-), % ≤ |
0.3 |
0.8 |
1.0 |
| Chloride (as Cl-), % ≤ |
0.5 |
1.0 |
1.5 |
| pH-value(1% aqueous solution) |
2.0 |
2.0 |
2.0 |
| Density(20°C), ≥ |
1.42 |
1.34 |
1.34 |
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| Packing: |
25kg or 200kg plastic drum. |
| Storage: |
stored in dry and draughty place, shelf life is 2 yrs. |
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