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O1858

Sigma-Aldrich

1-Octadecanethiol

98%

Sinonimo/i:

Mercaptan C18, Octadecyl mercaptan, Stearyl mercaptan

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About This Item

Formula condensata:
CH3(CH2)17SH
Numero CAS:
2885-00-9
Peso molecolare:
286.56
Beilstein:
1811934
Numero CE:
220-744-1
Numero MDL:
MFCD00004886
Codice UNSPSC:
12352103
ID PubChem:
24897952
NACRES:
NA.23
Prezzi e disponibilità al momento non sono disponibili

Livello qualitativo

200

Saggio

98%

P. ebollizione

204-210 °C/11 mmHg (lit.)

Punto di fusione

30-33 °C (lit.)

Densità

0.847 g/mL at 25 °C (lit.)

Stringa SMILE

CCCCCCCCCCCCCCCCCCS

InChI

1S/C18H38S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3
QJAOYSPHSNGHNC-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

1-Octadecanethiol (ODT) is an alkanethiol with a long carbon chain mainly used as a self-assembled monolayer (SAM) for surface modification of a wide range of materials. It facilitates superhydrophobicity with high wettability and low surface energy.[1][2]

Applicazioni

ODT is used in the surface modification of gold nanoparticle (AuNPs)/Nickel (Ni) foam conjugate for the preparation of a 3D surface enhanced Raman spectroscopy(SERS) substrate for the detection of organic pollutants.[3] It may also be used enhance the superhydrophobic properties for different materials like nano-sized copper films,[4] graphene and silica for different applications like mercury detection and electrochemical analysis.[5][1]

Pittogrammi

Exclamation markEnvironment
GHS07,GHS09

Avvertenze

Warning

Indicazioni di pericolo

H315,H400

Classi di pericolo

Aquatic Acute 1 - Skin Irrit. 2

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
WXBD9457V
WXBD7803V
WXBD6753V
WXBD5865V
WXBD3624V

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Fabrication of super-hydrophobic nano-sized copper films by electroless plating.
Liu X, et al.
Thin Solid Films, 518(14), 3731-3734 (2010)
Three-dimensional superhydrophobic surface-enhanced Raman spectroscopy substrate for sensitive detection of pollutants in real environments.
Zhao H, et al.
Journal of Material Chemistry A, 3(8), 4330-4337 (2015)
David Wakerley et al.
Nature materials, 18(11), 1222-1227 (2019-08-07)
The aqueous electrocatalytic reduction of CO2 into alcohol and hydrocarbon fuels presents a sustainable route towards energy-rich chemical feedstocks. Cu is the only material able to catalyse the substantial formation of multicarbon products (C2/C3), but competing proton reduction to hydrogen
Electrochemical investigation of dynamic interfacial processes at 1-octadecanethiol-modified copper electrodes in halide-containing solutions.
Ma HY, et al.
Electrochimica Acta, 48(28), 4277-4289 (2003)
Ken Kobayashi et al.
Journal of chromatography. A, 1110(1-2), 95-101 (2006-02-14)
Three types of thiol compounds (n-octadecanethiol, thiophenol, and 2-phenylethanethiol) were used to modify the gold-coated polystyrene particles (dp. 5microm) to prepare a stationary phase for capillary liquid chromatography through the formation of self-assembled monolayer. The column with n-octadecanethiol-modified gold-coated polystyrene
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Articoli

Photopatterning Self-Assembled Monolayers

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

Questions

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  1. 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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  2. 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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