1-dodecene

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Structural formula
Structural formula of 1-dodecene
General
Surname 1-dodecene
other names
  • Dodec-1-en
  • Dodecylene
  • Tetrapropene
  • Tetrapropylene
Molecular formula C 12 H 24
Brief description

colorless liquid with a benzene-like odor

External identifiers / databases
CAS number 112-41-4
EC number 203-968-4
ECHA InfoCard 100.003.608
PubChem 8183
Wikidata Q161620
properties
Molar mass 168.32 g mol −1
Physical state

liquid

density

0.76 g cm −3

Melting point

−32 ° C

boiling point

213 ° C

Vapor pressure

3.05 mbar (50 ° C)

solubility

practically insoluble in water

Refractive index

1.4294 (at 20 ° C, 589 nm)

safety instructions
GHS labeling of hazardous substances
08 - Dangerous to health

danger

H and P phrases H: 304
EUH: 066
P: 301 + 310-331
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-Dodecene is a chemical compound from the group of aliphatic unsaturated hydrocarbons .

Occurrence

1-Dodecene occurs as a by-product in the petroleum industry during cracking and pyrolysis .

Extraction and presentation

1-Dodecene can be obtained by a Ziegler process from ethylene with triethylaluminum as a catalyst .

properties

1-Dodecene is a colorless liquid with a benzene-like odor, which is practically insoluble in water.

safety instructions

The vapors of 1-dodecene can form an explosive mixture with air ( flash point 76 ° C, ignition temperature 225 ° C).

use

By reaction with hydrogen sulfide can tert -Dodecanthiol be prepared.

Individual evidence

  1. a b c d e f g h i j Entry on 1-dodecene in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
  2. Data sheet 1-dodecene (PDF) from Merck , accessed on October 19, 2011.
  3. OECD : Screening Information Dataset (SIDS) Initial Assessment Report (SIAR) for 1-dodecene , accessed on November 6, 2014.
  4. Data sheet tert-dodecyl mercaptan, technical, ≥97.0% (RT) from Sigma-Aldrich , accessed on September 18, 2011 ( PDF ).