Chemical Name: 1-Hydroxyethanediphosphonic acid potassium salt
CAS No.: 67953-76-8
Molecular Formula: C2H4K4O7P2
Molecular weight: 358.39
Appearance: Colorless to slightly yellow transparent liquid
Assay: ≥97.0%
Parameter | Specification |
---|---|
CAS Number | 67953-76-8 |
Chemical Formula | C₂H₆O₇P₂K₂ |
Molecular Weight | 306.22 g/mol |
Appearance | White crystalline powder |
Solubility | Highly soluble in water (>500 g/L at 20°C) |
pH (1% solution) | 9.0-10.5 |
Storage | Keep in dry, cool place (2-8°C) |
Property | Potassium Salt | Sodium Salt |
---|---|---|
Solubility | Higher | Moderate |
Thermal Stability | Stable up to 200°C | Stable up to 180°C |
pH Tolerance | 2-12 | 3-11 |
Acts as scale inhibitor in cooling towers (dosage: 2-10 ppm), prevents CaCO₃/CaSO₄ deposition. Compatible with chlorine up to 5 mg/L.
Used in hydraulic fracturing fluids at 0.1-0.5% concentration to control iron sulfide scaling.
Chelates metal ions in bleaching processes (0.05-0.2% addition), improves H₂O₂ efficiency by 15-20%.
Challenge: 40% efficiency loss from scaling in 500MW coal plant
Solution: 8 ppm continuous dosage in cooling water
Result: 22-month scale-free operation, $380K/year savings
Problem: Color inconsistency due to metal ions
Application: 0.15% additive in dye baths
Outcome: 98% color uniformity, 12% dye cost reduction
Sector: Industrial Detergents
Usage: 3% in alkaline cleaners (pH 11-12)
Benefit: 50% longer equipment lifespan
Application: Boiler feed water treatment
Implementation: 5 ppm dosage + organic polymers
Result: Zero boiler tube replacements in 3 years
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