[ethylenebis[nitrilobis(methylene)]]tetrakisphosphonic acid, sodium salt CAS 22036-77-7

Chemical Name: [ethylenebis[nitrilobis(methylene)]]tetrakisphosphonic acid, sodium salt
CAS No.: 22036-77-7
Appearance: Amber or light yellow transparent liquid
Assay:≥99.0%

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EDTMPS Sodium Salt: Key Specifications

Chemical Profile

Parameter Description
CAS No. 22036-77-7
Molecular Formula C6H12O12N2P4Na8
Appearance Yellow-brown transparent liquid
Active Component ≥30% EDTMPS
Thermal Stability Effective up to 200°C

Comparative Analysis

Feature EDTMPS Conventional Phosphates
Corrosion Inhibition 3-5× higher efficiency Baseline performance
Scale Prevention Effective against CaSO4/BaSO4 Limited sulfate control
Environmental Impact Biodegradable formulation Eutrophication risk

Core Industrial Applications

Water Treatment Systems

Operates as multi-functional additive in:

  • Cooling tower corrosion management
  • Boiler feedwater scale inhibition
  • RO membrane protection

Surface Engineering

  • Cyanide-free electroplating complexation
  • Metal surface passivation

Technical Advantages

  • 8 ionic dissociation states for enhanced chelation
  • Stable performance across pH 2-12
  • Synergistic with polyelectrolytes

Industry Implementation Cases

Case 1: Power Plant Cooling System

30% reduction in maintenance costs through calcium sulfate scale control

Case 2: Textile Dyeing Facility

Improved color fastness using 0.5% EDTMPS as oxygen bleach stabilizer

Procurement Considerations

  • Verify ISO 9001/14001 certification
  • Request batch-specific analysis certificates
  • Evaluate custom concentration options

Request Technical Consultation

Contact our water treatment specialists:
Email: info@vivalr.com
Tel: (86) 15866781826

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