| CAS No. | 3794-83-0 | EINECE NO. | 223-267-7 |
| Molecular Formula | C2H4O7P2Na4 | Molecular Weight | 294 |
HEDP.Na4 granule is the tera sodium salt of HEDP. HEDP.Na4 has excellent scale inhibition for calcium carbonate (CaCO3) and chlorine stability.
HEDP.Na4 granular form has excellent free flowing and handling properties. Very low dust content(dust-free solid). Finds use in Household detergents, I&I cleaners, etc. Can be easily tableted. HEDP.Na4 granular form is ideal for solid grade formulations.
| Itas | Index |
|---|---|
| Appearance | White granule |
| Active content (HEDP), % | 57.0-63.0 |
| Active content (HEDP•Na4), % | 81.0-90.0 |
| Moisture, % | 10.0 max |
| Particle Size Distribution(<250μm), % | 4.0 max |
| Particle Size Distribution(>800μm), % | 5.0 max |
| Bulk(20℃), g/cm3 | 0.70-1.10 |
| PH (1% water solution) | 11.0-12.0 |
| Fe, mg/L | 20.0 max |
HEDP•Na4is widely used as scale and corrosion inhibitor in circulating water system, medium and low pressure boiler, oil field water pipelines,Household and I&I (industrial & institutional) cleaners, detergents.
In light woven industry,HEDP.Na4is used as detergent for metal and nonmetal.
In dyeing industry,HEDP.Na4 is used as peroxide stabilizer and dye-fixing agent;
In non-cyanide electroplating,HEDP.Na4is used as chelating agent.
| CaCO3 inhibition | CaSO4 inhibition | Ca3(PO4)2 inhibition | BaSO4 inhibition | CaF2 inhibition |
|---|---|---|---|---|
| Excellent | Poor | Very Good | Good | Good |
| Calcium Tolerance | Iron Control | Sequestration | Steel corrosion inhibition | -- |
| Poor | Yes | Good | Very Good | -- |
| HEDP.Na4 Granule | |||||
|---|---|---|---|---|---|
| 25kg Bag | 1000KG/Big Bag | ||||
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| Once contacted with eye and skin, flush with plenty of clean water. | |||||
| Hazard Information | Safety Precaution |
|---|---|
|
Not regulated |
|
| Once contacted with eye and skin, flush with plenty of clean water | |
