Propuna
| Nama | |
|---|---|
| Nama IUPAC
Propuna
| |
| Nama lain
Metilasetilena,
Metil asetilena, Alilena | |
| Penanda | |
Model 3D (JSmol)
|
|
| ChEMBL | |
| Nomor EC | |
| Nomor RTECS | {{{value}}} |
CompTox Dashboard (EPA)
|
|
| |
| 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). | |
| 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
- ^ 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).
- ^ 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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