【CAS】 6419-19-8
Alias: Aminotrimethylene phosphonic acid Dequest 2000
Molecular formula: N(CH2PO3H2)3,
Relative molecular mass: 299.05.
Structural formula:
- Property and Purpose
ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. It can prevent scale formation, calcium carbonate in particular, in water system. ATMP has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it has good corrosion inhibition.
2.
| items | index |
| Standard | |
| Appearance | Clear， Colorless to pale yellow aqueous solution |
| Active acid % | 50.0-51.0 |
| Chloride (as Cl-)% | 1.0max |
| pH value (1% solution) | 2.0 max |
| Fe，mg/L | 10.0max |
| Density (20℃)g/cm3 | 1.31-1.35 |
| Colour APHA (Hazen) | 30.0max |
| Ca Sequestration (mg CaCO3/g) | 450.0 min |
- Application scope and Usage
ATMP is usually used together with organophosphoric acid, polycarboxylic acid and salt to built all organic alkaline water treatment agent. ATMP can be used in many different circulating cool water systems. The dosage of 1-20mg/L is recommended. As corrosion inhibitor, the dosage of 20-60mg/L is preferred.
- Package and Storage
It is usually packed in 30kg or 250kg plastic drum or as determined by users. It can be stored for ten months in shady and dry place under room condition.
