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144797

Sigma-Aldrich

Nitrilotris(methylene)triphosphonic acid solution

50 wt. % in H2O

Sinônimo(s):

Nitrilotri(methylphosphonic acid) solution

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About This Item

Fórmula linear:
N[CH2P(O)(OH)2]3
Peso molecular:
299.05
Número MDL:
MFCD00002138
Código UNSPSC:
12352100
ID de substância PubChem:
24848684
NACRES:
NA.22

forma

liquid

concentração

50 wt. % in H2O

Impurezas

10-20% aqueous inorganic acids

pH

0.46

densidade

1.3 g/mL at 25 °C

cadeia de caracteres SMILES

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)

chave InChI

YDONNITUKPKTIG-UHFFFAOYSA-N

Descrição geral

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.

Aplicação

Nitrilotris(methylene)triphosphonic acid solution was used to study the mechanism of inhibition of cement hydration by phosphonic acid.

Pictogramas

Corrosion
GHS05

Palavra indicadora

Danger

Frases de perigo

H290,H314

Declarações de precaução

P280 - P305 + P351 + P338 - P310

Classificações de perigo

Met. Corr. 1 - Skin Corr. 1A

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificados de análise (COA)

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A new mechanism for cement hydration inhibition: solid-state chemistry of calcium nitrilotris (methylene) triphosphonate.
Bishop M, et al.
Chemistry of Materials, 15(16), 3074-3088 (2003)
Corrosion inhibitors for aluminum films.
Zanzucchi PJ and Thomas JH.
Journal of the Electrochemical Society, 135(6), 1370-1376 (1988)
Factors in the selection of chelating agents for extraction of lead from contaminated soil: effectiveness, selectivity, and recoverability.
Hong PKA and Jiang W.
Biogeochemistry of Chelating Agents, 910, 421-432 (2005)
Peng Mei et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(18), 4344-4352 (2017-03-08)
Highly ordered mesostructured vanadium phosphonates (VP) have been synthesized in the presence of cetyltrimethylammonium bromide (CTAB) as a structure-directing agent. Nitrilotris(methylene)triphosphonic acid (NMPA) and (ammonium/sodium) metavanadate (NH
L Boels et al.
Journal of hazardous materials, 182(1-3), 855-862 (2010-07-30)
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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