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Sigma-Aldrich

1-Dodecanethiol

≥98%

Synonym(s):

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

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About This Item

Linear Formula:
CH3(CH2)11SH
CAS Number:
112-55-0
Molecular Weight:
202.40
Beilstein:
969337
EC Number:
203-984-1
MDL number:
MFCD00004885
UNSPSC Code:
12352103
PubChem Substance ID:
24870727
NACRES:
NA.23

vapor density

7 (vs air)

Quality Level

200

Assay

≥98%

refractive index

n20/D 1.459 (lit.)

bp

266-283 °C (lit.)

density

0.845 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCCCS

InChI

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

InChI key

WNAHIZMDSQCWRP-UHFFFAOYSA-N

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General description

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.

Application

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. It may be used to form a self-assembled monolayer (SAM) on copper surface as a corrosion resistant coating. Functionalization with DDT may form SAMs on geranium (Ge) to improve the surface characteristics for futuristic applications in microelectronics.
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.

Signal Word

Danger

Hazard Statements

H314,H317,H410

Hazard Classifications

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

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

262.4 °F - closed cup

Flash Point(C)

128 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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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)
Marta Gambucci et al.
Soft matter, 15(32), 6571-6580 (2019-08-01)
The comprehension and control of the interactions between nanoparticles and proteins at a molecular level are crucial to improve biomedical applications of nanomaterials and to develop nanosystems able to influence and regulate the conformational changes in proteins. In this work
Functions of 1-Dodecanethiol in the Synthesis and Post-treatment of Copper Sulfide Nanoparticles Relevant to Their Photocatalytic Applications.
Lihui C and Guohua L
ACS Applied Nano Materials, 1(9), 4587?4593-4587?4593 (2018)
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)
Pham Hong Phong et al.
Langmuir : the ACS journal of surfaces and colloids, 21(23), 10581-10586 (2005-11-03)
Ternary self-assembled monolayers (SAM) composed of 2-aminoethanethiol (AET), 2-mercaptoethanesulfonic acid (MES), and 1-dodecanethiol (DDeT) form two types of domains as if it were a two-component SAM: DDeT-rich hydrophobic domains and electrostatically stabilized hydrophilic domains composed of MES and AET on
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