2-Butinal
gelbe Flüssigkeit[1]
| Strukturformel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Allgemeines | |||||||||||||
| Name | 2-Butinal | ||||||||||||
| Andere Namen |
| ||||||||||||
| Summenformel | C4H4O | ||||||||||||
| Kurzbeschreibung |
gelbe Flüssigkeit[1] | ||||||||||||
| Externe Identifikatoren/Datenbanken | |||||||||||||
| |||||||||||||
| Eigenschaften | |||||||||||||
| Molare Masse | 68,08 g·mol−1 | ||||||||||||
| Aggregatzustand |
flüssig[1] | ||||||||||||
| Dichte |
0,947 g·cm−3[1] | ||||||||||||
| Schmelzpunkt |
−26 °C[2] | ||||||||||||
| Siedepunkt |
105–108 °C[1] | ||||||||||||
| Brechungsindex |
1,4468 (bei 589 nm und 20 °C)[1] | ||||||||||||
| Sicherheitshinweise | |||||||||||||
| |||||||||||||
| Wenn nicht anders vermerkt, gelten die angegebenen Daten bei Standardbedingungen (0 °C, 1000 hPa). Brechungsindex: Na-D-Linie, 20 °C | |||||||||||||
2-Butinal ist eine organische Verbindung mit der Summenformel C4H4O. Sie gehört zu den Alkinalen, einer Untergruppe der Aldehyde mit einer zusätzlichen C≡C-Dreifachbindung.
Die Verbindung wurde in Tabakrauch nachgewiesen.[3]
Sie kann durch saure Hydrolyse des entsprechenden Dimethylacetals gewonnen werden.[4]
Einzelnachweise
- ↑ a b c d e f g but-2-ynal – 93%. In: enaminestore.com. Abgerufen am 3. Januar 2022.
- ↑ David R. Lide, George W. A. Milne: Handbook of Data on Common Organic Compounds. CRC Press, 1995, ISBN 978-0-8493-0404-0, S. 770 (books.google.com).
- ↑ Alan Rodgman, Thomas A. Perfetti: The Chemical Components of Tobacco and Tobacco Smoke. CRC Press, 2008, ISBN 978-1-4200-7884-8, S. 1545 (books.google.com).
- ↑ S. Coffey: Monocarbonyl Derivatives of Aliphatic Hydrocarbons, Their Analogues and Derivatives: A Modern Comprehensive Treatise. Elsevier, 2016, ISBN 978-1-4832-2133-5, S. 52 (books.google.com).
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