471364 Sigma-Aldrich



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

  • CAS Number 112-55-0

  • Linear Formula CH3(CH2)11SH

  • Molecular Weight 202.40

  •  Beilstein/REAXYS Number 969337

  •  EC Number 203-984-1

  •  MDL number MFCD00004885

  •  PubChem Substance ID 24870727

  •  NACRES NA.23



Related Categories Alkyl Thiols - Organosulphur compound, Materials Science, Micro/NanoElectronics, Self Assembly and Lithography, Self-Assembly Materials,
Quality Level   200
vapor density   7 (vs air)
assay   ≥98%
refractive index   n20/D 1.459 (lit.)
bp   266-283 °C (lit.)
density   0.845 g/mL at 25 °C (lit.)
InChI   1S/C12H26S/c1-2-3-4-5-6-7-8-9-10-11-12-13/h13H,2-12H2,1H3


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.


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.


100, 500 mL in glass bottle

18 L in steel drum

2 L in glass bottle

Legal Information

Product of Arkema Inc.

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
UN1760 - class 8 - PG 3 - acidic - EHS - Corrosive liquids, n.o.s., HI: all
WGK Germany 
Flash Point(F) 
262.4 °F
Flash Point(C) 
128 °C
Protocols & Articles


Displaceable Monolayers and Microdisplacement Printing: 1-Adamantanethiol Assembly and Applications

Self-assembly techniques at the supramolecular 1–100 nm scale have been extensively studied for applications ranging from biocompatible systems to microelectronics.1, 2 As the dimensions of patterned...
Thomas J. Mullen, J. Nathan Hohman, Dr. Arrelaine A. Dameron, Jennifer R. Hampton, Susan D. Gillmor, Prof. Paul S. Weiss
Material Matters 2006, 1.2, 8.
Keywords: Adsorption, Applications, Degradations, Deposition, Diffusion, Material Matters, Microelectronics, Microscopy, Nanotechnology, Semiconductor, Separation, Support, Type

Electronics and Self-Assembly with Single Molecules

Single molecule electronics is the endeavour of constructing electronic circuitry with single molecules as the fundamental building block. The concept has been addressed theoretically in the 1970s1 a...
Kasper Moth-Poulsen, Titoo Jain, Jakob KrygerSørensen, Thomas Bjørnholm
Material Matters 2009, 4.3, 80.
Keywords: Applications, Building blocks, Cycloadditions, Electronics, Help, Methods, Microscopy, Nanomaterials, Nanotechnology, Purification, Reductions, Semiconductor, Type

Hexafluoroalcohol-functionalized methacrylate monomers for lithographic/nanopatterning materials

To keep pace with Moore′s Law, there is a continuing need in the semiconductor industry to achieve higher circuit density in microelectronic devices. The principle means of defining high resolution c...
Daniel P. Sanders, Ratnam Sooriyakumaran, Richard A. DiPietro
IBM Almaden Research Center, San Jose, CA, Material Matters Volume 6 Article 1
Keywords: Chemical reactions, Microelectronics, Polymerization reactions, Semiconductor, Solvents, transformation

Micro and Nanometer Scale Photopatterning of Self-Assembled Monolayers

Graham J. Leggett* Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, United Kingdom *Email:
Keywords: Absorption, Adsorption, Degradations, Deposition, Microscopy, Optical microscopy, Oxidations, Polymerization reactions, Semiconductor, Spectroscopy

Solvothermal Synthesis of Nanoparticles

Solvothermal synthesis is a method for preparing a variety of materials such as metals, semiconductors, ceramics, and polymers. The process involves the use of a solvent under moderate to high pressu...
Prof. Bonnie Gersten
Chemfiles Volume 5 Article 13
Keywords: Absorption, Applications, Ceramics, Reductions, Semiconductor, Spectra, Type

Peer-Reviewed Papers


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