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2-Pentuna

2-Pentuna
Rumus kerangka 2-pentuna
Model bola-dan-tongkat 2-pentuna
Nama
Nama IUPAC (preferensi)
Pent-2-una
Nama lain
Etilmetilasetilena, 1-Etil-2-metilasetilena propil asetilena
Penanda
Model 3D (JSmol)
3DMet (({3DMet))}
ChemSpider
Nomor EC
Nomor RTECS (({value))}
UNII
  • InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3 YaY
    Key: NKTDTMONXHODTI-UHFFFAOYSA-N YaY
  • InChI=1/C5H8/c1-3-5-4-2/h3H2,1-2H3
  • CC#CCC
  • C(#CCC)C
Sifat
C5H8
Massa molar 68,12
Densitas 0,71 g/mL
Titik lebur −109 °C (−164 °F; 164 K)
Titik didih 56 to 57 °C
Bahaya
Bahaya utama Cairan mudah terbakar
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini YaYN ?)
Referensi

2-Pentuna adalah sebuah senyawa organik dengan rumus CH3CH2C≡CCH3 dan merupakan sebuah alkuna internal. Ia adalah isomer dari 1-pentuna, sebuah alkuna terminal.

1-Pentuna

2-Pentuna dapat disintesis melalui penataan ulang 1-pentuna dalam larutan NaNH2/NH3 atau kalium hidroksida beretanol.[1]

Referensi

[sunting | sunting sumber]
  1. ^ Victor von Richter and Hans Meerwein (1916). Organic Chemistry: Chemistry of the aliphatic series Vol. I: Smith's 3rd American Ed. Philadelphia: P. Blakiston's Sons & Co. hlm. 89. 

Pranala luar

[sunting | sunting sumber]


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2-Pentuna
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