Diethyl sulfite

Diethyl sulfite
Names
	Preferred IUPAC name Diethyl sulfite
	Other names Diethyl sulphite; Sulfurous acid, diethyl ester
Identifiers
CAS Number	623-81-4 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	11697 ;
ECHA InfoCard	100.009.832
EC Number	210-815-5;
PubChem CID	12197;
UNII	LF6566JT87 ;
CompTox Dashboard (EPA)	DTXSID0060777 ;
	InChI InChI=1S/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3 Key: NVJBFARDFTXOTO-UHFFFAOYSA-N ; InChI=1/C4H10O3S/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3 Key: NVJBFARDFTXOTO-UHFFFAOYAE;
	SMILES CCOS(=O)OCC; O=S(OCC)OCC;
Properties
Chemical formula	C4H10O3S
Molar mass	138.18 g·mol−1
Appearance	Clear 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). verify (what is ?) Infobox references

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

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

[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.

WebBook page for C4H10SO3

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[1] [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] [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.

[1]

[2]

Diethyl sulfite

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References

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Names


Preferred IUPAC name Diethyl sulfite
Other names Diethyl sulphite Sulfurous acid, diethyl ester
Identifiers
CAS Number	623-81-4^Y
3D model (JSmol)	Interactive image Interactive image
ChemSpider	11697^Y
ECHA InfoCard	100.009.832
EC Number	210-815-5
PubChem CID	12197
UNII	LF6566JT87^Y
CompTox Dashboard (EPA)	DTXSID0060777
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
SMILES CCOS(=O)OCC O=S(OCC)OCC
Properties
Chemical formula	C₄H₁₀O₃S
Molar mass	138.18 g·mol⁻¹
Appearance	Clear 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). Y verify (what is ^YN ?) Infobox references