ATMP 50% Liquid - Amino Trimethylene Phosphonic Acid for Boiler & Cooling Water Systems

ATMP Antisludging Agent – Amino Trimethylene Phosphonic Acid for Water Treatment

ATMP is a high-efficiency phosphonic acid scale & corrosion inhibitor for industrial water systems. Key features:

  • Excellent chelation for Ca/Mg/Fe ions
  • Stable at high temps (≤200°C)
  • Low phosphorus release
  • Compatible with chlorine

For cooling towers, boilers and RO systems.

Chemical NameAmino Trimethylene Phosphonic Acid
CAS No.6419-19-8
AppearanceColorless to pale yellow liquid
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SPECIFICATION

Mechanism of Action

  • Scale Inhibition: Distorts CaCO₃/MgSiO₃ crystal structures
  • Corrosion Control: Forms protective film on metal surfaces
  • Dispersion: Prevents particulate deposition

Applications

  • Cooling Water:
    • Open/closed recirculating systems
    • Effective at 5-20ppm dosage
  • Boiler Water:
    • High-temperature steam boilers
    • Combines with oxygen scavengers
  • RO Systems:
    • Controls silica scaling
    • Compatible with membrane materials

Technical Advantages

  • Thermal stability up to 200°C
  • pH tolerance range: 2.0-12.0
  • Synergistic with HEDP/PAA formulations

Dosing Guidelines

  1. Cooling Systems: 10-50ppm (based on Ca hardness)
  2. Boiler Systems: 5-20ppm + oxygen scavenger
  3. RO Systems: 2-10ppm (pre-filter injection)

Safety

  • Corrosive - wear acid-resistant PPE
  • LD50 (oral rat): 2,450 mg/kg
  • Biodegradability: 28-35% (OECD 301B)

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