ATMP
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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 [N(CH2PO3H)3]3-, have chelating properties.
ATMP can be synthesized from the Mannich-type reaction of ammonia, formaldehyde, and phosphorous acid, in a manner similar to the Kabachnik–Fields reaction.
Properties
ATMP has good antiscale performance. It is related structurally to nitrilotriacetic acid.
Applications
- Detergents and cleaning agents
- Fouling
- Inhibition
- Water treatment
Related compounds
- (1-Aminoethylidene)bisphosphonic acid, CH3C(NH2)[PO(OH)2]2, also a chelating agent
- Etidronic acid, CH3C(OH)[PO(OH)2]2, also a chelating agent
- Glyphosate, HO2CCH2NHCH2[PO(OH)2]2, a herbicide