Propuna

Propuna
Methylacetylene
Nama
Nama IUPAC
Propuna
Nama lain
Metilasetilena,
Metil asetilena,
Alilena
Penanda
Model 3D (JSmol)
ChEMBL
Nomor EC
Nomor RTECS {{{value}}}
  • CC#C
Sifat
C3H4
Massa molar 40.0639 g/mol
Densitas 0.53 g/cm³
Titik lebur −1.027 °C (−1.817 °F; −754 K)
Titik didih −232 °C (−385,6 °F; 41,1 K)
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
N verifikasi (apa ini checkYN ?)
Referensi

Propuna (Metilasetilena) adalah alkuna dengan rumus kimia CH3C≡CH. Alkuna ini merupakan komponen gas MAPP, yang biasa digunakan dalam las karbit. Tidak seperti asetilena, propuna dapat dikondensasi dengan aman.[1]

Kimia organik

Propuna dan 2-Butina dapat digunakan untuk mensintesis hidrokinon terakilasi dalam sintesis total Vitamin E.[2]

Catatan kaki

  1. ^ Peter Pässler, Werner Hefner, Klaus Buckl, Helmut Meinass, Andreas Meiswinkel, Hans-Jũrgen Wernicke, Günter Ebersberg, Richard Müller, Jürgen Bässler, Hartmut Behringer, Dieter Mayer, "Acetylene" in Ullmann's Encyclopedia of Industrial Chemistry Wiley-VCH, Weinheim 2007 (doi:097.pub2 10.1002/14356007.a01 097.pub2).
  2. ^ Reppe, Walter; Kutepow, N; and Magin, A (1969). "Cyclization of Acetylenic Compounds". Angewandte Chemie International Edition in English. 8 (10): 727–733. doi:10.1002/anie.196907271. Diakses tanggal 26 December 2013. Pemeliharaan CS1: Banyak nama: authors list (link)

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