471364

Sigma-Aldrich

1-Dodecanethiol

≥98%

Synonym(s):
Lauryl mercaptan, Mercaptan C12, NDM, Dodecyl mercaptan, n-Dodecyl mercaptan
Linear Formula:
CH3(CH2)11SH
CAS Number:
Molecular Weight:
202.40
Beilstein/REAXYS Number:
969337
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

vapor density

7 (vs air)

Quality Level

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

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.
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.

Packaging

100, 500 mL in glass bottle
2 L in glass bottle
18 L in steel drum

Legal Information

Product of Arkema Inc.

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN1760 - class 8 - PG 3 - acidic - EHS - Corrosive liquids, n.o.s., HI: all

WGK Germany

WGK 3

Flash Point(F)

262.4 °F - closed cup

Flash Point(C)

128 °C - closed cup

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)
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...
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 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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