Aminotrimethylene phosphonic acid

Structural formula
General
Surname	Aminotrimethylene phosphonic acid
other names	ATMP NTMP Trimethylphosphonic acid amine Aminotris (methylphosphonic) acid Nitrilotris (methylenephosphonic acid) Nitrilotris (methylene) triphosphonic acid
Molecular formula	C 3 H 12 NO 9 P 3
Brief description	white solid
External identifiers / databases
CAS number 6419-19-8 EC number 229-146-5 ECHA InfoCard 100,026,496 PubChem 16698 Wikidata Q4222241
properties
Molar mass	299.050 g mol −1
Physical state	firmly
density	1.3 g cm −3 (50% solution)
Melting point	215 ° C (decomposition)
solubility	soluble in water in water
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 319 P: 305 + 351 + 338
Toxicological data	2100 mg kg −1 ( LD 50 ,  rat ,  oral ) > 6310 mg kg −1 ( LD 50 ,  rabbit ,  transdermal )
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Aminotrimethylene phosphonic acid is a chemical compound from the group of aminoalkanepolyphosphonic acids .

Extraction and presentation

Aminotrimethylene phosphonic acid can be synthesized from ammonia , formaldehyde and phosphonic acid:

${\displaystyle {\ce {NH3 + 3 H2CO + 3 H3PO3 -> N[CH2P(O)(OH)2]3}}}$

properties

Aminotrimethylene phosphonic acid is a crystalline white solid that is soluble in water. It decomposes when heated above 215 ° C.

use

Aminotrimethylene phosphonic acid is used as a complexing agent in detergents and photo chemical.

Individual evidence

1. ↑ ^{a b c d e f g h i j} Entry on aminotrimethylene phosphonic acid in the GESTIS substance database of the IFA , accessed on June 27, 2018(JavaScript required) .
2. ↑ Christoph Janiak: Non-metal chemistry - basics and applications - . 4th edition. Shaker Verlag, Aachen 2012, ISBN 978-3-8440-1042-8 , p. 187 .
3. ↑ Kurt Moedritzer, Riyad R. Irani: The Direct Synthesis of α-Aminomethylphosphonic Acids. Mannich-Type Reactions with Orthophosphorous Acid. In: The Journal of Organic Chemistry. 31, 1966, p. 1603, doi : 10.1021 / jo01343a067 .
4. ^ Müfit Bahadir, Harun Parlar, Michael Spiteller: Springer Umweltlexikon . Springer-Verlag, 2013, ISBN 978-3-642-97335-2 , p. 1117 ( limited preview in Google Book search).
5. ↑ Werner Baumann: Photo chemicals data and facts on environmental protection . Springer-Verlag, 2013, ISBN 978-3-642-78519-1 , pp. 185 ( limited preview in Google Book search).