Diethyl sulfite
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Diethyl sulfite | |||||||||||||||
other names |
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Molecular formula | (C 2 H 5 O) 2 SO | |||||||||||||||
Brief description |
colorless liquid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 138.19 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.077 g cm −3 (25 ° C) |
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boiling point |
158-160 ° C |
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solubility |
soluble in ethanol |
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Refractive index |
1.414 (20 ° C) |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
Diethyl sulfite is a chemical compound from the group of esters of sulfurous acid .
Extraction and presentation
Diethyl sulfite can be obtained by reacting thionyl chloride with ethanol .
properties
Diethyl sulfite is a colorless liquid that is soluble in ethanol.
use
Diethyl sulfite is used as an antioxidant in some polymers .
Individual evidence
- ↑ a b c d e f g h data sheet Diethyl sulfite, 98% from Sigma-Aldrich , accessed on January 24, 2016 ( PDF ).
- ^ A b William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . tape 3 . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 180 ( limited preview in Google Book Search).
- ^ A. Günther, T. König, WD Habicher, K. Schwetlick: Antioxidant action of organic sulphites — I. Esters of sulfurous acid as secondary antioxidants. In: Polymer Degradation and Stability. 55, 1997, p. 209, doi : 10.1016 / S0141-3910 (96) 00150-4 .