1,3-cyclohexadiene

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Structural formula
Structural formula of 1,3-cyclohexadiene
General
Surname 1,3-cyclohexadiene
other names
  • 1,2-dihydrobenzene
  • Cyclohexa-1,3-diene
Molecular formula C 6 H 8
Brief description

colorless liquid with an unpleasant odor

External identifiers / databases
CAS number 592-57-4
EC number 209-764-1
ECHA InfoCard 100,008,878
PubChem 11605
Wikidata Q387320
properties
Molar mass 80.12 g mol −1
Physical state

liquid

density

0.847 g cm −3

Melting point

−89 ° C

boiling point

80 ° C

solubility

practically insoluble in water

Refractive index

1.474 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 07 - Warning

danger

H and P phrases H: 225-335
P: 210-261-240
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

1,3-Cyclohexadiene is a chemical compound from the group of unsaturated cyclic hydrocarbons and is isomeric to 1,4-cyclohexadiene .

Extraction and presentation

1,3-Cyclohexadiene can be obtained by eliminating hydrogen bromide from trans -1,2-dibromocyclohexane (from cyclohexene and bromine ).

Production of 1,3-cyclohexadiene from cyclohexene

General 1.3 Cyclohexadienes can cyclization of 1,3,5-hexatrienes be won.

properties

Different representations of 1,3-cyclohexadiene

1,3-Cyclohexadiene is a colorless liquid with an unpleasant odor that is practically insoluble in water.

Individual evidence

  1. a b c d e f g h i Entry on 1,3-cyclohexadiene in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
  2. Data sheet 1,3-Cyclohexadiene, contains 0.05% BHT as inhibitor, 97% from Sigma-Aldrich , accessed on December 29, 2012 ( PDF ).
  3. ^ Günter Jeromin: Organic chemistry . Harri Deutsch Verlag, 2006, ISBN 978-3-8171-1732-1 , pp. 135 ( limited preview in Google Book search).
  4. Eberhard Breitmaier, Günther Jung: Organic Chemistry: Fundamentals, Compound Classes, Reactions, Concepts ... Georg Thieme Verlag, 2012, ISBN 3-13-159987-1 , p. 121 ( limited preview in Google Book search).