ATMP (Amino Trimethylene Phosphonic Acid)
CAS Number: 6419-19-8
Nitrogen-containing phosphonic acid with excellent CaCO3 and CaSO4 scale inhibition. Better calcium tolerance than HEDP in high-hardness systems.
Technical Specifications
| density | 1.30–1.35 g/mL |
| packaging | 30 kg drums or IBC |
| appearance | Colorless to pale yellow liquid |
| active content | 48–52% |
| pH 1% solution | 2.0–3.0 |
| phosphonic acid | 48–52% |
Applications
- High-hardness cooling water
- Desalination systems
- Power plant circulating water
- Central heating systems
- Industrial boilers
Key Features
- Superior CaSO4 scale inhibition
- Higher calcium tolerance than HEDP
- Effective chelating agent for Fe and Mn
- Good synergy with polymer dispersants
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