1-Hydroxyethylidene-1,1-Diphosphonic Acid
Product Description
| Product | 1-Hydroxyethylidene-1,1-Diphosphonic Acid |
| CAS | 2809-21-4 |
| Formula | C2H8O7P2 |
| Synonym | HEDP, Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, Phosphonic acid, (1-hydroxyethylidene)bis- |
Typical Product Specifications
| ph (1% solution) | <= 2.0 |
| Active Content | 60 (+-1.0)% wt. |
| Chloride | <= 1.0% wt. |
| Physical Form | Clear, colorless to pale yellow liquid |
| Iron as Fe | < 35 ppm |
| Phosphorous Acid | <= 2.5% wt |
| Specific Gravity at 25°C | 1.44 (+- 0.01) |
| Color (APHA) | <= 50 |
| Freezing Point | -25C |
| Molecular weight | 206.03 |
| Notes | Used as scale and corrosion inhibitor, deflocculant, seqestrant, water stabilizer in water treatment pipeline, and detergent under high temperature and high pH value. Use: CHELATING |
| Class | Corrosion Inhibitors, Water Treatment Chemicals, Scale Inhibitors, Industrial Chemicals |
| Function | Anti-Corrosive, Scale Inhibitor |
| Industry | Industrial, Water Treatment, Anti-Corrosives |
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