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715166

Sigma-Aldrich

Octadecylphosphonic acid

97%

Synonyme(s) :

n-Octadecylphosphonic acid, ODPA

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About This Item

Formule empirique (notation de Hill):
C18H39O3P
Numéro CAS:
4724-47-4
Poids moléculaire :
334.47
Numéro MDL:
MFCD00015838
Code UNSPSC :
12352300
ID de substance PubChem :
329762947
Nomenclature NACRES :
NA.23

Pureté

97%

Forme

crystals

Pf

95-100 °C

Chaîne SMILES 

CCCCCCCCCCCCCCCCCCP(O)(O)=O

InChI

1S/C18H39O3P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(19,20)21/h2-18H2,1H3,(H2,19,20,21)

Clé InChI

FTMKAMVLFVRZQX-UHFFFAOYSA-N

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Description générale

Octadecylphosphonic acid (OPA) is used as a self-assembled monolayer that forms a surfactant which strongly bonds with the surface atoms of different metal oxides. It provides hydrophobic properties and covers a higher surface area than the predominantly used silanes.

Application

Anti-corrosive coatings on cupronickel (CuNi) can be formed by fabricating a protective film of OPA by dip coating method. OPA may be used in the preparation of indium oxide(In2O3) nanowire transistor than can find potential application in the growth of fast switching and low noise nano-electronic devices. It may be used for self-cleaning and oil/water separation based applications as it forms a superhydrophobic layer on the copper mesh.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H315,H319

Classification des risques

Eye Irrit. 2 - Skin Irrit. 2

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

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Consulter la Bibliothèque de documents

Fabrication of controllable and stable In2O3 nanowire transistors using an octadecylphosphonic acid self-assembled monolayer.
Lim T, et al.
Nanotechnology, 26(14), 145203-145203 (2015)
Getachew Tizazu et al.
Langmuir : the ACS journal of surfaces and colloids, 25(18), 10746-10753 (2009-07-18)
Electron-hole pair formation at titania surfaces leads to the formation of reactive species that degrade organic materials. Here, we describe the degradation of self-assembled monolayers of alkylphosphonic acids on the native oxide of titanium following exposure to UV light. The
Resistance of Superhydrophobic Surface-Functionalized TiO2 Nanotubes to Corrosion and Intense Cavitation.
Hua W.
Nanomaterials, 8(10), 783-783 (2018)
n-Octadecylphosphonic acid grafted mesoporous magnetic nanoparticle: Preparation, characterization, and application in magnetic solid-phase extraction.
Ding J, et al.
Journal of Chromatography A, 1217(47), 7351-7358 (2010)
Fast formation of superhydrophobic octadecylphosphonic acid (ODPA) coating for self-cleaning and oil/water separation.
Dai C, et al.
Soft Matter, 10(40), 8116-8121 (2014)
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