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735914

Sigma-Aldrich

Octylphosphonic acid

97%

Synonym(s):

n-Octylphosphonic acid, OPA

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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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)
Yun-Bin Han et al.
Applied microbiology and biotechnology, 99(16), 6715-6726 (2015-02-17)
Sphingolipid ceramide N-deacylase (SCDase) catalyzes reversible reactions in which the amide linkage in glycosphingolipids is hydrolyzed or synthesized. While SCDases show great value for the enzymatic synthesis of glycosphingolipids, they are relatively poorly characterized enzymes. In this work, the enzymatic
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