Hydroxyethylidene diphosphonic acid (HEDPA), CAS 2809-21-4
HEDP is an organic compound belonging to the class of diphosphonic acids. It is a pentabasic organic acid.
It appears as a white, crystalline powder with a slight gray or beige tint. HEDP is highly soluble in water, acids, alkalis, ethanol, methanol, acetic acid, dimethylformamide (DMF), and dimethyl sulfoxide (DMSO). It is non-flammable and non-explosive.
It appears as a white, crystalline powder with a slight gray or beige tint. HEDP is highly soluble in water, acids, alkalis, ethanol, methanol, acetic acid, dimethylformamide (DMF), and dimethyl sulfoxide (DMSO). It is non-flammable and non-explosive.
| Parameter | Palm Oil Diethanolamide |
|---|---|
| Active content (DEA) % | min. 90 |
| Active content (DEA·H₂O) % | min. 98 |
| Phosphoric acid (as PO₃³⁻), % | max. 0.8 |
| Phosphoric acid (as PO₄³⁻), % | max. 0.5 |
| Chloride (as Cl⁻), % | max. 0.01 |
| pH value (1% solution) | max. 2 |
| Iron content (Fe), mg/L | max. 10 |
Applications:
- Water treatment: Primary use as a scale inhibitor for dissolved salts, especially carbonates;
- Descaling: Cleaning boiler equipment, pipelines, and industrial apparatus from mineral deposits;
- Oil & gas: Prevents scale formation in production wells and injection systems;
- Textile industry: Used in dyeing and finishing processes;
- Pulp & paper: Industrial bleaching agent for cellulose;
- Agriculture: Acts as a plant growth stimulator and regulator;
- Cosmetics & perfumery: Stabilizer in formulations;
- Household chemicals: Key ingredient in descaling agents, stain removers, and bleach boosters.
Minimum order quantity: 25 kg
Packaging: multilayer paper bags with a polyethylene liner, 25 kg each.
Shelf life: 12 months from the date of manufacture
411 Vostochny Industrial Zone, Dzerzhinsk, Nizhny Novgorod Oblast, Russia
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