China Cheap price Bit In Water Treatment – powder HEDP 90% 1-Hydroxyethylidene-1,1-diphosphonic acid cas 2809-21-4 Etidronic acid monohydrate – Theorem
China Cheap price Bit In Water Treatment – powder HEDP 90% 1-Hydroxyethylidene-1,1-diphosphonic acid cas 2809-21-4 Etidronic acid monohydrate – Theorem Detail:
powder HEDP 90% 1-Hydroxyethylidene-1,1-diphosphonic acid cas 2809-21-4
Etidronic acid monohydrate
Product details:
Product Name: powder HEDP 90%
Other Names: 1-Hydroxyethylidene-1,1-diphosphonic acid
CAS No.: 2809-21-4
Molecular Formula: C2H8O7P2
Appearance: white powder
Application: Water Treatment
Purity : 90%min
Applications:
1.HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc..
2.In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;
3.In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent.
4.Usually, HEDP is used together with polycarboxylic acid.
| Item | Index |
| Appearance | White powder |
| Active content (as HEDP) % | ≥ 90 |
| Active content (HEDP.H2O)% | ≥ 98 |
| Chloride(as Cl-)% | ≤ 5.0 |
| PH（1％ solution） | ≤ 2.0 |
| Phosphoric acid(as PO3³‾) | ≤ 0.8 |
| Fe ion ppm | ≤ 5 |
| Phosphoric acid(as PO4³‾) | ≤ 0.5 |
| * In addition：The company could research and develop the new products according to the special demand of our clients． | |
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