3-Hexyne

  • Hex -3-yne
  • Diethylethin
  • Diethylacetylen

Colorless liquid

Liquid

0.7231 g · cm -3 ( 20 ° C)

-103 ° C

81 ° C.

1.4115 (20 ° C)

Risk

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3 -hexyne is a chemical compound from the group of alkynes and a constitutional isomer to 1- hexyne and 2 -hexyne. It has the basic structure of the hexane with a carbon-carbon triple bond at the 3-position.

3 -hexyne ( Diethylethin ) is with 5- Decin ( Dibutylethin ), 4- octyne ( Dipropylethin ) and 2- butyne ( Dimethylethin ) to the symmetrical alkynes.

Production and representation

3 -hexyne can be obtained by reaction of Natriumbutinid with bromoethane.

Properties

3 -hexyne is a liquid at room temperature, a colorless compound, boiling at 81 ° C.

CAS registry number PubChem Dangerous Substances Directive (67/548/EEC) 2-Butyne CRC Handbook of Chemistry and Physics
13272
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