Diethylsulfit
| Strukturformel | ||||||||||||||||
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| Allgemeines | ||||||||||||||||
| Name | Diethylsulfit | |||||||||||||||
| Andere Namen |
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| Summenformel | (C2H5O)2SO | |||||||||||||||
| Kurzbeschreibung |
farblose Flüssigkeit[1] | |||||||||||||||
| Externe Identifikatoren/Datenbanken | ||||||||||||||||
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| Eigenschaften | ||||||||||||||||
| Molare Masse | 138,19 g·mol−1 | |||||||||||||||
| Aggregatzustand |
flüssig[1] | |||||||||||||||
| Dichte |
1,077 g·cm−3 (25 °C)[1] | |||||||||||||||
| Siedepunkt |
158–160 °C[1] | |||||||||||||||
| Löslichkeit |
löslich in Ethanol[2] | |||||||||||||||
| Brechungsindex |
1,414 (20 °C)[1] | |||||||||||||||
| Sicherheitshinweise | ||||||||||||||||
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| Wenn nicht anders vermerkt, gelten die angegebenen Daten bei Standardbedingungen (0 °C, 1000 hPa). Brechungsindex: Na-D-Linie, 20 °C | ||||||||||||||||
Diethylsulfit ist eine chemische Verbindung aus der Gruppe der Ester der schwefligen Säure.
Gewinnung und Darstellung
Diethylsulfit kann durch Reaktion von Thionylchlorid mit Ethanol gewonnen werden.
Eigenschaften
Diethylsulfit ist eine farblose Flüssigkeit,[1] die löslich in Ethanol ist.[2]
Verwendung
Diethylsulfit wird als Antioxidans bei einigen Polymeren verwendet.[3]
Einzelnachweise
- ↑ a b c d e f g h Datenblatt Diethyl sulfite, 98% bei Sigma-Aldrich, abgerufen am 23. März 2022 (PDF).
- ↑ a b William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition. Band 3. CRC Press, 2015, ISBN 978-1-4822-6097-7, S. 180 (eingeschränkte Vorschau in der Google-Buchsuche).
- ↑ A. Günther, T. König, W.D. Habicher, K. Schwetlick: Antioxidant action of organic sulphites—I. Esters of sulphurous acid as secondary antioxidants. In: Polymer Degradation and Stability. 55, 1997, S. 209, doi:10.1016/S0141-3910(96)00150-4.
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