Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

735914

Sigma-Aldrich

Octylphosphonic acid

97%

Synonym(s):

n-Octylphosphonic acid, OPA

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C8H19O3P
CAS Number:
4724-48-5
Molecular Weight:
194.21
EC Number:
225-218-5
MDL number:
MFCD00015841
UNSPSC Code:
12352300
PubChem Substance ID:
329765066
NACRES:
NA.23

Assay

97%

form

solid

mp

93-98 °C

SMILES string

CCCCCCCCP(O)(O)=O

InChI

1S/C8H19O3P/c1-2-3-4-5-6-7-8-12(9,10)11/h2-8H2,1H3,(H2,9,10,11)

InChI key

NJGCRMAPOWGWMW-UHFFFAOYSA-N

General description

Octylphosphonic acid (OPA) forms a self-assembled monolayer (SAM), which serves as a protective anti-corrosive phosphonate layer on a variety of surfaces.

Application

OPA can be used as a surfactant that may be added to silver (Ag)/titanium oxide (TiO2) for uniform dispersion into the polymeric matrix. It may be coated on indium-tin oxide (ITO) substrates, which can be used for super-resolution microscopy. OPA based charge blocking layer may be used to prevent leakage of current in a hybrid dielectric film.

Signal Word

Danger

Hazard Statements

H302,H314,H373

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1B - STOT RE 2 Oral

Target Organs

Kidney,Bone

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000288170
0000288166
0000274813
0000174393
0000183210

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Surface modification of passive iron by alkyl-phosphonic acid layers
Paszternak A, et al.
Electrochimica Acta, 53(2), 337-345 (2007)
High-energy-density hybrid sol-gel dielectric film capacitors with a polymeric charge blocking layer
Kim Y, et al.
Journal of Material Chemistry A, 5(48), 25522-25528 (2017)
Characterization of functionalized glass and indium tin oxide surfaces as substrates for super-resolution microscopy
Nicovich PR, et al.
Journal of Physics D: Applied Physics, 52(3), 034003-034003 (2018)
Surface modification of titania powder P25 with phosphate and phosphonic acids-Effect on thermal stability and photocatalytic activity
Djafer L, et al.
Journal of Colloid and Interface Science, 393, 335-339 (2013)
Rickdeb Sen et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(53), 13015-13022 (2017-07-14)
Rapid and quantitative click functionalization of surfaces remains an interesting challenge in surface chemistry. In this regard, inverse electron demand Diels-Alder (IEDDA) reactions represent a promising metal-free candidate. Herein, we reveal quantitative surface functionalization within 15 min. Furthermore, we report the
View All Related Papers

Articles

Organic Transistors for Biomedical Applications

Thin, lightweight, and flexible electronic devices meet widespread demand for scalable, portable, and robust technology.

Organic Transistors for Biomedical Applications

Thin, lightweight, and flexible electronic devices meet widespread demand for scalable, portable, and robust technology.

Organic Transistors for Biomedical Applications

Thin, lightweight, and flexible electronic devices meet widespread demand for scalable, portable, and robust technology.

Organic Transistors for Biomedical Applications

Thin, lightweight, and flexible electronic devices meet widespread demand for scalable, portable, and robust technology.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service