Butyn

Moet nie met buteen of butaan verwar word nie.

1-Butyn (of net Butyn) is 'n alifatiese organiese verbinding met die chemiese formule HC₂CH₂CH₃. Dit is 'n kleurlose, vlambare gas.^[3] Butyn neem deel aan reaksies tipies vir terminale alkyne, soos alkynmetatese,^[4] hidrogenering, en kondensasie met formaldehied. Op grond van sy verbrandingshitte is dit effens minder stabiel as sy isomeer 2-butyn.^[1]

**Eienskappe**
Algemeen
Naam	Butyn
IUSTC-naam	1-Butyn But-1-yn
Sistematiese naam	But-1-yn
Ander name	Etielasetieleen Etieletyn
Struktuurformule van Butyn
Chemiese formule	C₄H₆
Molêre massa	54,091 g/mol
CAS-nommer	107-00-6
Voorkoms	kleurlose gas
Fasegedrag
Smeltpunt	-125,7 °C
Kookpunt	8,08 °C
Digtheid	0,6783 g/cm³
Oplosbaarheid	61 mg/L (teen 20 °C in water)
Δ_fH^ɵ	165,18 kJ/mol^[1]
Δ_cH^ɵ	-2596,66 kJ/mol^[1]
Suur-basis eienskappe
pKa
Veiligheid
Flitspunt	-78 tot -61 °C^[2]
Tensy anders vermeld is alle data vir standaardtemperatuur en -druk toestande.

Portaal Chemie

Hidrogenering

Hidrogenering van 1-butyn, in die teenwoordigheid van 'n Cu Si O₂-katalisator, lei tot 'n mengsel van 1-buteen en 2-buteen.^[5]

Hidrogenering van 1-butyn

Verwysings

↑ ^1,0 ^1,1 ^1,2 Prosen, E.J.; Maron, F.W.; Rossini, F.D. (1951). "Heats of combustion, formation, and insomerization of ten C4 hydrocarbons". Journal of Research of the National Bureau of Standards (in Engels). 46 (2): 106. doi:10.6028/jres.046.015.
↑ "But-1-yne - C4H6". ChemSpider (in Engels). 6 Februarie 2015. Besoek op 22 Desember 2021.
↑ Lide, David R. (2008). CRC Handbook of Chemistry and Physics, 89th Edition (in Engels). CRC Press. pp. 3–84. ISBN 978-0-8493-0488-0.
↑ Zhang, Wei; Kraft, Stefan; Moore, Jeffrey S. (2004). "Highly Active Trialkoxymolybdenum(VI) Alkylidyne Catalysts Synthesized by a Reductive Recycle Strategy". Journal of the American Chemical Society (in Engels). 126 (1): 329–335. doi:10.1021/ja0379868. PMID 14709099.
↑ Salnikov, Oleg G.; Liu, Hsueh-Ju; Fedorov, Alexey; Burueva, Dudari B.; Kovtunov, Kirill V.; Copéret, Christophe; Koptyug, Igor V. (2017). "Pairwise hydrogen addition in the selective semihydrogenation of alkynes on silica-supported Cu catalysts". Chemical Science (in Engels). Royal Society of Chemistry (RSC). 8 (3): 2426–2430. doi:10.1039/c6sc05276b. ISSN 2041-6520.

Eksterne skakels

NIST Chemistry-bladsy vir 1-butyn

[Maron-1] 1,0 ^1,1 ^1,2 Prosen, E.J.; Maron, F.W.; Rossini, F.D. (1951). "Heats of combustion, formation, and insomerization of ten C4 hydrocarbons". Journal of Research of the National Bureau of Standards (in Engels). 46 (2): 106. doi:10.6028/jres.046.015.

[ChemSpider_2015-2] "But-1-yne - C4H6". ChemSpider (in Engels). 6 Februarie 2015. Besoek op 22 Desember 2021.

[CRC-3] Lide, David R. (2008). CRC Handbook of Chemistry and Physics, 89th Edition (in Engels). CRC Press. pp. 3–84. ISBN 978-0-8493-0488-0.

[Zhang-4] Zhang, Wei; Kraft, Stefan; Moore, Jeffrey S. (2004). "Highly Active Trialkoxymolybdenum(VI) Alkylidyne Catalysts Synthesized by a Reductive Recycle Strategy". Journal of the American Chemical Society (in Engels). 126 (1): 329–335. doi:10.1021/ja0379868. PMID 14709099.

[RG-5] Salnikov, Oleg G.; Liu, Hsueh-Ju; Fedorov, Alexey; Burueva, Dudari B.; Kovtunov, Kirill V.; Copéret, Christophe; Koptyug, Igor V. (2017). "Pairwise hydrogen addition in the selective semihydrogenation of alkynes on silica-supported Cu catalysts". Chemical Science (in Engels). Royal Society of Chemistry (RSC). 8 (3): 2426–2430. doi:10.1039/c6sc05276b. ISSN 2041-6520.

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