Diethyl sulfite

Last updated
Diethyl sulfite
Diethyl sulfite Structural FormulaV1.svg
Diethyl-sulfite-3D-balls.png
Names
Preferred IUPAC name
Diethyl sulfite
Other names
Diethyl sulphite
Sulfurous acid, diethyl ester
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.009.832 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 210-815-5
PubChem CID
UNII
  • InChI=1S/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3 Yes check.svgY
    Key: NVJBFARDFTXOTO-UHFFFAOYSA-N Yes check.svgY
  • InChI=1/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3
    Key: NVJBFARDFTXOTO-UHFFFAOYAE
  • CCOS(=O)OCC
  • O=S(OCC)OCC
Properties
C4H10O3S
Molar mass 138.18 g·mol−1
AppearanceClear liquid
Density 1.88 g/cm3
Boiling point 158 to 160 °C (316 to 320 °F; 431 to 433 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Diethyl sulfite (C4H10O3S) is an ester of sulfurous acid. Among other properties, diethyl sulfite inhibits the growth of mold spores during grain storage. [1]

Contents

Diethyl sulfite is used as an additive in some polymers to prevent oxidation. [2]

See also

References

  1. ↑ Pasiut, Lad A.; DeMarinis, F. (1966). "Inhibition of growth of spores of Penicillium and Aspergillus isolated from the white molds of silages". Ohio Journal of Science. 66 (1): 64–68.
  2. ↑ Guenther, A.; Koenig, T.; Habicher, W. D.; Schwetlick, K. (1997). "Antioxidant action of organic sulfites. I. Esters of sulfurous acid as secondary antioxidants". Polymer Degradation and Stability. 55 (2): 209–216. doi:10.1016/S0141-3910(96)00150-4.


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