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Dimethylsulfit
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Dimethylsulfit ist der Dimethylester der Schwefligen SΓ€ure. Dimethylsulfit ist das einfachste organische Sulfit und wird als Antioxidant in Polymeren eingesetzt.
Contents
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Gewinnung und Darstellung
Obwohl sich Dimethylsulfit formal von der Schwefligen SΓ€ure ableitet, wird es durch Reaktion von Thionylchlorid und Methanol hergestellt.
O S C l 2 + 2 C H 3 O H β β O S ( O C H 3 ) 2 + 2 H C l {\displaystyle \mathrm {OSCl_{2}+2\;CH_{3}OH\rightarrow OS(OCH_{3})_{2}+2\;HCl} }
Einzelnachweise
cite-note-merck-11. Datenblatt Dimethylsulfit bei Merck, abgerufen am 25. MΓ€rz 2011.
cite-note-crc90-5-23-22. David R. Lide (Hrsg.): CRC Handbook of Chemistry and Physics. 90. Auflage. (Internet-Version: 2010), CRC Press / Taylor and Francis, Boca Raton FL, Standard Thermodynamic Properties of Chemical Substances, S. 5-23.