MilliporeSigma
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715166

Sigma-Aldrich

Octadecylphosphonic acid

97%

Synonym(s):
n-Octadecylphosphonic acid, ODPA
Empirical Formula (Hill Notation):
C18H39O3P
CAS Number:
Molecular Weight:
334.47
MDL number:
PubChem Substance ID:
NACRES:
NA.23

assay

97%

form

crystals

mp

95-100 °C

SMILES string

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)

InChI key

FTMKAMVLFVRZQX-UHFFFAOYSA-N

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General description

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. [36][37]

Application

Anti-corrosive coatings on cupronickel (CuNi) can be formed by fabricating a protective film of OPA by dip coating method.[38] 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.[39] It may be used for self-cleaning and oil/water separation based applications as it forms a superhydrophobic layer on the copper mesh.[40]

Packaging

1 g in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Certificate of Analysis

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Certificate of Origin

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