1-Hydroxyethanediphosphonic acid potassium salt CAS 67953-76-8

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%

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Table of Contents

1-Hydroxyethanediphosphonic Acid Potassium Salt (CAS 67953-76-8) Overview

Basic Parameters

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)

Comparative Analysis

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

Industrial & Commercial Applications

Water Treatment

Acts as scale inhibitor in cooling towers (dosage: 2-10 ppm), prevents CaCO₃/CaSO₄ deposition. Compatible with chlorine up to 5 mg/L.

Oilfield Applications

Used in hydraulic fracturing fluids at 0.1-0.5% concentration to control iron sulfide scaling.

Pulp & Paper

Chelates metal ions in bleaching processes (0.05-0.2% addition), improves H₂O₂ efficiency by 15-20%.

Implementation Case Studies

Case 1: Power Plant Cooling System

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

Case 2: Textile Dyeing

Problem: Color inconsistency due to metal ions
Application: 0.15% additive in dye baths
Outcome: 98% color uniformity, 12% dye cost reduction

Verified Client Implementations

Client A: European Chemical Manufacturer

Sector: Industrial Detergents
Usage: 3% in alkaline cleaners (pH 11-12)
Benefit: 50% longer equipment lifespan

Client B: Asian Petrochemical Plant

Application: Boiler feed water treatment
Implementation: 5 ppm dosage + organic polymers
Result: Zero boiler tube replacements in 3 years

Technical Consultation & Ordering

For formulation assistance or bulk pricing:
Email: info@vivalr.com
Tel: (86) 15866781826

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