ATMP or aminotris(methylenephosphonic acid) is a phosphonic acid with chemical formula N(CH₂PO₃H₂)₃. It is a colorless solid. Its conjugate bases, such as (CH₂PO₃H)₃sup>3-, have chelating properties. ATMP can be synthesized from the Mannich-type reaction of ammonia, formaldehyde, and

phosphorous acid Phosphorous acid (or phosphonic acid) is the Compound (chemistry), compound described by the chemical formula, formula . It is diprotic (readily ionizes two protons), not triprotic as might be suggested by its formula. Phosphorous acid is an in ...

, in a manner similar to the Kabachnik–Fields reaction.

Properties

ATMP has good antiscale performance. It is related structurally to nitrilotriacetic acid.

Applications

Detergent A detergent is a surfactant or a mixture of surfactants with Cleanliness, cleansing properties when in Concentration, dilute Solution (chemistry), solutions. There are a large variety of detergents. A common family is the alkylbenzene sulfonate ...

s and cleaning agents *

Fouling Fouling is the accumulation of unwanted material on solid surfaces. The fouling materials can consist of either living organisms (biofouling, organic) or a non-living substance (inorganic). Fouling is usually distinguished from other surfac ...

* Inhibition *

Water treatment Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, ...

Related compounds

* (1-Aminoethylidene)bisphosphonic acid, , also a

chelating agent Chelation () is a type of bonding of ions and their molecules to metal ions. It involves the formation or presence of two or more separate coordinate bonds between a polydentate (multiple bonded) ligand and a single central metal atom. These l ...

* Etidronic acid, , also a

Glyphosate Glyphosate (IUPAC name: ''N''-(phosphonomethyl)glycine) is a broad-spectrum systemic herbicide and crop desiccant. It is an organophosphorus compound, specifically a phosphonate, which acts by EPSP inhibitor, inhibiting the plant enzyme 5-en ...

, , a

herbicide Herbicides (, ), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds.EPA. February 201Pesticides Industry. Sales and Usage 2006 and 2007: Market Estimates. Summary in press releasMain page f ...

References

{{Reflist Phosphonic acids Chelating agents