144797
Nitrilotris(methylene)triphosphonic acid solution
50 wt. % in H2O
Synonym(s):
Nitrilotri(methylphosphonic acid) solution
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All Photos(3)
About This Item
Linear Formula:
N[CH2P(O)(OH)2]3
Molecular Weight:
299.05
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
form
liquid
concentration
50 wt. % in H2O
impurities
10-20% aqueous inorganic acids
pH
0.46
density
1.3 g/mL at 25 °C
functional group
amine
SMILES string
OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O
InChI
1S/C3H12NO9P3/c5-14(6,7)1-4(2-15(8,9)10)3-16(11,12)13/h1-3H2,(H2,5,6,7)(H2,8,9,10)(H2,11,12,13)
InChI key
YDONNITUKPKTIG-UHFFFAOYSA-N
General description
Nitrilotris(methylene)triphosphonic acid solution is an antiscalant and can be removed form membrane concentrates by iron-coated waste filtration sand. It is a cement retarder. It reacts with the aluminum surface to form a coating which is an effective inhibitor of the reaction of evaporated aluminum thin films on glass or silicon with deionized water.
Application
Nitrilotris(methylene)triphosphonic acid solution was used to study the mechanism of inhibition of cement hydration by phosphonic acid.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Met. Corr. 1 - Skin Corr. 1A
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Iron-coated waste filtration sand was investigated as a low-cost adsorbent for the removal of nitrilotris(methylenephosphonic acid) (NTMP) from membrane concentrates. The adsorption of this phosphonate-based antiscalant on this material was measured and compared with two commercially available anion exchange resins
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