4-vinylcyclohexene

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Structural formula
Structural formula of 4-vinylcyclohexene
General
Surname 4-vinylcyclohexene
other names

1,2,5,6-tetrahydrostyrene

Molecular formula C 8 H 12
Brief description

colorless liquid

External identifiers / databases
CAS number 100-40-3
EC number 202-848-9
ECHA InfoCard 100.002.590
PubChem 7499
Wikidata Q4637205
properties
Molar mass 108.18 g mol −1
Physical state

liquid

density

0.83 g cm −3

Melting point

−109 ° C

boiling point

128 ° C

Vapor pressure

14 mbar (20 ° C)

solubility

practically insoluble in water (0.05 g l −1 at 20 ° C)

Refractive index

1.463 (20 ° C)

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
02 - Highly / extremely flammable 08 - Dangerous to health 07 - Warning

danger

H and P phrases H: 225-304-315-351-361f-412
P: 201-210-243-273-281-301 + 330 + 331-302 + 352-308 + 313-403 + 233
MAK

Switzerland: 0.1 ml m −3

Toxicological data
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

4-vinylcyclohexene is a chemical compound from the group of unsaturated cyclic hydrocarbons .

Extraction and presentation

4-vinyl cyclohexene can be obtained by dimerization of 1,3-butadiene obtained from catalysts under pressure and high temperature using.

Diels-Alder cycloaddition of 1,3-butadiene to 4-vinylcyclohexane

properties

4-vinylcyclohexene is a volatile, highly flammable, moisture- and air-sensitive, colorless liquid.

use

4-vinylcyclohexene is used as a starting material for organic syntheses (e.g. for the production of 4-vinylcyclohexene dioxide ).

Individual evidence

  1. a b c d e f g h i j k l Entry on 4-vinylcyclohexene in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
  2. Data sheet 4-Vinyl-1-cyclohexene from Sigma-Aldrich , accessed on May 21, 2017 ( PDF ).
  3. Entry on 4-vinylcyclohexene in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
  4. Swiss Accident Insurance Fund (Suva): Limit values ​​- current MAK and BAT values (search for 100-40-3 or 4-vinylcyclohexene ), accessed on November 2, 2015.
  5. a b Entry on 4-vinylcyclohexene in the Hazardous Substances Data Bank , accessed April 18, 2015.