Diethyl sulfite

Diethyl sulfite
IUPAC name 1-Ethoxysulfinyloxyethane
Other names Diethyl sulphite Sulfurous acid, diethyl ester
Identifiers
CAS number	623-81-4
PubChem	12197
ChemSpider	11697 Y
EC number	210-815-5
Jmol-3D images	Image 1 Image 2
SMILES CCOS(=O)OCC O=S(OCC)OCC
InChI InChI=1S/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3 Y Key: NVJBFARDFTXOTO-UHFFFAOYSA-N Y InChI=1/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3 Key: NVJBFARDFTXOTO-UHFFFAOYAE
Properties
Molecular formula	C4H10O3S
Molar mass	138.186 g/mol
Appearance	Clear liquid
Density	1.88 g/cm3
Boiling point	158-160 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Diethyl sulfite (C₄H₁₀O₃S) is an ester of sulfurous acid. Diethyl sulfite inhibits the growth of mold spores during grain storage.^[1]

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

See also

• Dimethyl sulfite
• Diethyl sulfate
• Diethyl sulfoxide

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

• WebBook page for C4H10SO3

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