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Highly effective chelator for multivalent metal ions including Ca²⁺, Mg²⁺, Fe³⁺, and Cu²⁺ under acidic to neutral pH conditions.
Excellent thermal and hydrolytic stability, maintaining performance in recirculating cooling water systems up to 70 °C.
Low toxicity profile and favorable environmental compatibility, supporting compliance with major industrial water treatment regulations.
Compatible with common oxidizing biocides (e.g., chlorine, bromine) and non-oxidizing biocides without significant degradation.
Prevents scale formation by inhibiting crystallization of calcium carbonate, calcium phosphate, and zinc salts.
Cooling water treatment in HVAC and industrial closed-loop systems.
Boiler feedwater conditioning where low-phosphate or phosphate-free programs are required.
Membrane antiscalant formulations for reverse osmosis (RO) and nanofiltration (NF) systems.
Industrial process water stabilization in textile dyeing, papermaking, and metal finishing operations.
Component in detergent and cleaning formulations for industrial equipment descaling and maintenance.
| Chemical Type | 1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP) |
| Product Form | Liquid concentrate (aqueous solution) |
| Appearance | Clear, colorless to pale yellow liquid |
| pH (1% aqueous solution) | 1.5 – 2.5 |
| Active Content (as HEDP) | ≥ 50.0 wt% |
| Density (at 20 °C) | 1.25 – 1.30 g/cm³ |
| Solubility | Completely miscible with water in all proportions |
| Primary Applications | Scale inhibition, metal ion sequestration, corrosion mitigation in water treatment |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
