1-dodecanethiol

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Structural formula
Structural formula of 1-dodecanethiol
General
Surname 1-dodecanethiol
other names
  • 1-dodecyl mercaptan
  • Lauryl mercaptan
  • 1-mercaptododecane
Molecular formula C 12 H 26 S
Brief description

colorless liquid with an unpleasant odor

External identifiers / databases
CAS number 112-55-0
EC number 203-984-1
ECHA InfoCard 100.003.622
PubChem 8195
Wikidata Q161619
properties
Molar mass 202.39 g mol −1
Physical state

liquid

density

0.85 g cm −3

Melting point

−7 ° C

boiling point

275 ° C

Vapor pressure

0.002 mbar (20 ° C)

solubility

practically insoluble in water

Refractive index

1.4587 (at 20 ° C, 589 nm)

safety instructions
GHS labeling of hazardous substances
05 - Corrosive 07 - Warning 09 - Dangerous for the environment

danger

H and P phrases H: 314-317-410
P: 273-280-301 + 330 + 331-303 + 361 + 353-305 + 351 + 338-315-405-501
Toxicological data

> 2000 mg kg −1 ( LD 50rattransdermal )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

1-Dodecanethiol is a chemical compound from the group of thiols .

Extraction and presentation

1-Dodecanethiol can be obtained by reacting 1-Dodecanol with hydrogen sulfide .

properties

1-Dodecanethiol is a colorless liquid with a characteristic odor, which is practically insoluble in water.

use

1-Dodecanethiol is used for the production of hydrophobic or mixed self-assembling monolayers . It is also used as a polymerization inhibitor in polyurethane and neoprene adhesives (for example in the shoe industry) and as a very effective and widely used chain transfer agent for free-radical polymerizations .

Individual evidence

  1. a b c d e f g h i entry to 1-dodecanethiol in the GESTIS database of IFA , retrieved on February 1, 2016(JavaScript required) .
  2. Data sheet 1-dodecanethiol (PDF) from Merck , accessed on September 18, 2011.
  3. a b Data sheet 1-Dodecanethiol, ≥ 98% from Sigma-Aldrich , accessed on September 18, 2011 ( PDF ).
  4. M. Guisnet: Heterogeneous catalysis and fine chemicals . Elsevier Science, 1988, ISBN 978-0-444-43000-7 ( page 93 in the Google book search).
  5. Lasse Kanerva: Handbook of occupational dermatology . Springer, 2000, ISBN 978-3-540-64046-2 ( page 1212 in the Google book search).
  6. ^ Mark SM Alger: Polymer science dictionary . Springer, 1996, ISBN 978-0-412-60870-4 ( page 159 in the Google book search).