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Merck

471364

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
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
24870727
EC Number:
203-984-1
Beilstein/REAXYS Number:
969337
MDL number:
MFCD00004885

Product Name

1-Dodecanethiol, ≥98%

assay

≥98%

InChI key

WNAHIZMDSQCWRP-UHFFFAOYSA-N

InChI

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

SMILES string

CCCCCCCCCCCCS

vapor density

7 (vs air)

refractive index

n20/D 1.459 (lit.)

bp

266-283 °C (lit.)

density

0.845 g/mL at 25 °C (lit.)

Quality Level

200

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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.

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.

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Danger

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

262.4 °F - closed cup

flash_point_c

128 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB6096
SDBB5611
SDBB4199
SDBB3004
STBL3902

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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)
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)
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)
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
1-Dodecanethiol based highly stable self-assembled monolayers for germanium passivation.
Cai Qi, et al.
Applied Surface Science, 353(10), 890-901 (2015)
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