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Diethyl sulfite

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Diethyl sulfite
Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name Diethyl sulfite
Other names Diethyl sulphite
Sulfurous acid, diethyl ester
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.009.832 Edit this at Wikidata
EC Number
  • 210-815-5
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3Key: NVJBFARDFTXOTO-UHFFFAOYSA-N
  • InChI=1/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3Key: NVJBFARDFTXOTO-UHFFFAOYAE
SMILES
  • CCOS(=O)OCC
  • O=S(OCC)OCC
Properties
Chemical formula C4H10O3S
Molar mass 138.18 g·mol
Appearance Clear liquid
Density 1.88 g/cm
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 , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Diethyl sulfite (C4H10O3S) is an ester of sulfurous acid. Among other properties, diethyl sulfite inhibits the growth of mold spores during grain storage.

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

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.

External links


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