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735914

Sigma-Aldrich

Octylphosphonic acid

97%

Synonym(e):

n-Octylphosphonic acid, OPA

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1 G
€ 70,30
5 G
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About This Item

Empirische Formel (Hill-System):
C8H19O3P
CAS-Nummer:
Molekulargewicht:
194.21
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352300
PubChem Substanz-ID:
NACRES:
NA.23

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Assay

97%

Form

solid

mp (Schmelzpunkt)

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)

InChIKey

NJGCRMAPOWGWMW-UHFFFAOYSA-N

Allgemeine Beschreibung

Octylphosphonic acid (OPA) forms a self-assembled monolayer (SAM), which serves as a protective anti-corrosive phosphonate layer on a variety of surfaces.[1][2]

Anwendung

OPA can be used as a surfactant that may be added to silver (Ag)/titanium oxide (TiO2) for uniform dispersion into the polymeric matrix.[3] It may be coated on indium-tin oxide (ITO) substrates, which can be used for super-resolution microscopy.[4] OPA based charge blocking layer may be used to prevent leakage of current in a hybrid dielectric film.[3]

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Kidney,Bone

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Die Dokumentenbibliothek aufrufen

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

Artikel

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

Self-assembled monolayers (SAMs) have diverse applications; article compares benefits of alkylthiolates on gold SAM systems.

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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