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471364

Sigma-Aldrich

1-Dodecanethiol

1-Dodecanethiol

≥98%

Sinônimo(s):

n-Dodecyl mercaptan, Dodecyl mercaptan, Lauryl mercaptan, Mercaptan C12, NDM

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About This Item

Fórmula linear:
CH3(CH2)11SH
Número CAS:
112-55-0
Peso molecular:
202.40
Beilstein:
969337
Número CE:
203-984-1
Número MDL:
MFCD00004885
Código UNSPSC:
12352103
ID de substância PubChem:
24870727
NACRES:
NA.23
Preço e disponibilidade não estão disponíveis no momento.

densidade de vapor

7 (vs air)

Nível de qualidade

200

Ensaio

≥98%

índice de refração

n20/D 1.459 (lit.)

p.e.

266-283 °C (lit.)

densidade

0.845 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

CCCCCCCCCCCCS

InChI

1S/C12H26S/c1-2-3-4-5-6-7-8-9-10-11-12-13/h13H,2-12H2,1H3

chave InChI

WNAHIZMDSQCWRP-UHFFFAOYSA-N

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Descrição geral

1-Dodecanethiol (DDT) is an alkyl thiol that forms a self-assembled monolayer (SAM) and can be used as an organic source of sulfur with balanced physio-chemical properties.[1]

Aplicação

DDT can be used as a source of sulfur for the synthesis CdS quantum dots (QDs) and lead sulfide nanoparticles (PbS) which find potential applications in energy efficient lighting, solar cells and as ammonium gas sensing agents.[2][3][4] It may be used to form a self-assembled monolayer (SAM) on copper surface as a corrosion resistant coating. [5]Functionalization with DDT may form SAMs on geranium (Ge) to improve the surface characteristics for futuristic applications in microelectronics.[6]
This molecule is used for the production of hydrophobic SAMs. It can also be used in mixed SAMs to give a hydrophobic background and act as a spacer to move other functional groups or domains farther apart.[7]

Palavra indicadora

Danger

Frases de perigo

H314,H317,H410

Classificações de perigo

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1C - Skin Sens. 1A

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

262.4 °F - closed cup

Ponto de fulgor (°C)

128 °C - closed cup

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
STBL3902
SDBB1074
S8550844
STBL4537
SDBB0443

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11-Mercapto-1-undecanol 97%

Sigma-Aldrich

447528

11-Mercapto-1-undecanol

1-Undecanethiol 98%

Sigma-Aldrich

510467

1-Undecanethiol

Gold nanoparticles 3-5 nm particle size (TEM), dodecanethiol functionalized, 2 % (w/v) in toluene

Sigma-Aldrich

660434

Gold nanoparticles

Chemical synthesis and optical characterization of regular and magic-sized CdS quantum dot nanocrystals using 1-dodecanethiol.
Dickson R and Hu M
Journal of Materials Research, 30(7), 890-895 (2015)
Do Young Kim et al.
Polymers, 12(9) (2020-09-10)
The extreme elasticity and reversible deformability of rubber, which is one of the most versatile polymers in modern society, is dependent on several factors, including the processing conditions, curing system, and types of additives used. Since the rubber's mechanical properties
Inhibition Effect of 3D Nanostructures on the Corrosion Resistance of 1-Dodecanethiol Self-Assembled Monolayers on Copper in Nacl Solution.
Shuai Hm et al.
Materials, 8(10), 11661-11679 (2018)
Synthesis, characterization and application of lead sulfide nanostructures as ammonia gas sensing agent.
Hassan K, et al.
International Journal of Electrochemical Science, 8(10), 11661-11679 (2013)
Synthesis and characterization of PbS nanoparticles in an ionic liquid using single and dual source precursors.
Tshemese Z, et al.
Materials Science and Engineering, B, 227(7), 116-121 (2018)
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Questions

1–3 of 3 Questions  

  1. How do you coat copper foil with a single layer of 1-Dodecanethiol molecules on one surface only. Shielding the other surface with a tape does not work, because removing the tape can bend the foil and damage the coating.

    1 answer

    1. Following surface preparation and oxidation removal, a solution of 1-Dodecanethiol in a suitable solvent, such as toluene or ethanol, should be prepared at a concentration typically between 1 and 10 mM. To achieve selective coating on one surface, a physical mask (e.g., tape or a polymer film) can be used to cover the areas of the copper foil that are not to be coated before immersing it in the 1-Dodecanethiol solution. Alternatively, a drop casting method can be used, whereby a drop of the 1-Dodecanethiol solution would be applied directly onto the desired surface and it would be allowed to spread out evenly. This method requires careful control to avoid spreading to the other side. The copper foil should then be immersed in the solution for a specified time (typically several hours) to allow the 1-Dodecanethiol molecules to self-assemble onto the exposed surface. After the desired time, the copper foil should be removed and rinsed gently with the same solvent used for the solution to remove any unbound thiol molecules.

      Helpful?

  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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  3. 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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