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SUNCHEM
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
HEDP (1-hydroxyethane-1,1-diphosphonic acid) is a widely used organophosphonate chelating agent and scale inhibitor in industrial water treatment systems, cooling towers, and oil field water injection applications. Its excellent stability across a broad pH and temperature range makes it the most commonly specified corrosion and scale…
2809-21-4
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Product overview & key benefits
HEDP (1-hydroxyethane-1,1-diphosphonic acid) is a widely used organophosphonate chelating agent and scale inhibitor in industrial water treatment systems, cooling towers, and oil field water injection applications. Its excellent stability across a broad pH and temperature range makes it the most commonly specified corrosion and scale inhibitor in industrial water chemistry. SUNCHEM supports international buyers with 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.
Technical specifications
| Property | Reference value |
|---|---|
| Density | 2.114 g/cm3 |
| Melting Point | 198~199 °C |
| Boiling Point | 578.8 °C at 760 mmHg |
| Flash Point | 303.8 °C |
| Appearance | light beige powder |
| Risk Codes | 37/38-41 |
| Safety | 26-39 |
| Transport Information: | UN 3265 |
Existing product reference data. Confirm the specification of the offered grade before ordering.
Applications
Scale inhibitor in industrial cooling water systems
Corrosion inhibitor for steel and copper
Boiler water treatment formulation ingredient
Oil field and gas well scale prevention
Metal sequestrant in cleaning formulations
Desalination system antiscalant
Electroplating bath stabilizer
From first email to approved supply
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