2-Hekseno

2-Hekseno
2-Hekseno
Plata kemia strukturo de la
2-Hekseno
2-Hekseno
Tridimensia kemia strukturo de la 2-Hekseno
Alternativa(j) nomo(j)
  • Vinilbutano
  • Propilpropileno
  • Butiletileno
Kemia formulo
C6H12
CAS-numero-kodo 592-43-8
ChemSpider kodo 18807
PubChem-kodo 639661
Fizikaj proprecoj
Aspekto senkolora likvaĵo
Molmaso 84,162g mol−1
Denseco 0,681 g/cm−3[1]
Fandpunkto -98,5 °C [2]
Bolpunkto 69,1 °C [3][4]
Refrakta indico  1,396
Ekflama temperaturo -20 °C [5]
Solvebleco Akvo:nesolvebla
Memsparka temperaturo 245 °C [6]
GHS etikedigo de kemiaĵoj
GHS Damaĝo Piktogramo
02 – Treege brulema 08 – Risko al sano
GHS Signalvorto Damaĝa substanco
GHS Deklaroj pri damaĝoj H225, H304
GHS Deklaroj pri antaŭgardoj P210, P233, P240, P241, P242, P243, P280, P301+310, P303+361+353, P331, P370+378, P403+235, P405, P501
Escepte kiam indikitaj, datumoj estas prezentataj laŭ iliaj normaj kondiĉoj pri temperaturo kaj premo
(25 °C kaj 100 kPa)

2-HeksenoC6H12 estas alkeno aŭ nesaturita rektoĉena hidrokarbonido kun 6 karbonatomoj kaj 12 hidrogenatomoj. En normalaj kondiĉoj ĝi estas senkolora brulema likvaĵo, nesolvebla en akvo sed solvebla en organikaj solvantoj tiaj kiaj kloroformo, benzeno, benzino, etanolo, metanolo, eteroj kaj acetonoj. Strukture ekzistas 18 malsamaj kombinaĵoj kun la sama kemia formulo. Ĝiaj izomeroj povas prezentiĝi sub la cis aŭ trans formo aŭ kun branĉa kateno.

Reakcioj

Reakcio 1

  • Reakcio de Clemmensen:[7] Preparado de 2-Hekseno per senhidratigo de la 2-heksanono :

2-heksanono 2-Hekseno

Reakcio 2

  • Preparado de 2-Heksenoper senhidratigo de la 2-Heksanolo :

2-heksanolo 2-Hekseno

Reakcio 3

  • Preparado de 2-Hekseno per interagado de 1-kloro-1-propeno kun propila natrio:

1-kloro-1-propeno +propila natrio 2-Hekseno +natria klorido

Reakcio 4

  • Preparado de 2-Hekseno per interagado de etilmagnezia bromido kun krotonila bromido:

etilmagnezia bromido +krotonila bromido 2-Hekseno +magnezia bromido

Vidu ankaŭ

Referencoj

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