Dimethyl sulfite

Dimethyl sulfite
Names
	Preferred IUPAC name Dimethyl sulfite
	Other names Dimethyl sulphite; Sulfurous acid, dimethyl ester; DMSO3
Identifiers
CAS Number	616-42-2 ;
3D model (JSmol)	Interactive image; Interactive image;
ChEBI	CHEBI:48858 ;
ChemSpider	62436 ;
ECHA InfoCard	100.009.529
EC Number	210-481-0;
PubChem CID	69223;
UNII	9JFA40S66P ;
CompTox Dashboard (EPA)	DTXSID3060665 ;
	InChI InChI=1S/C2H6O3S/c1-4-6(3)5-2/h1-2H3 Key: BDUPRNVPXOHWIL-UHFFFAOYSA-N ; InChI=1/C2H6O3S/c1-4-6(3)5-2/h1-2H3 Key: BDUPRNVPXOHWIL-UHFFFAOYAF;
	SMILES COS(=O)OC; O=S(OC)OC;
Properties
Chemical formula	C2H6O3S
Molar mass	110.13 g·mol−1
Appearance	Clear liquid
Density	1.29 g/cm3
Boiling point	126 °C (259 °F; 399 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

Dimethyl sulfite is a sulfite ester with the chemical formula (CH₃O)₂SO.

Dimethyl sulfite is used as an additive in some polymers to prevent oxidation.^[2] It is also a potentially useful high energy battery electrolyte solvent.^[3]

^ Borba, A.; Gómez-Zavaglia, A.; Simões, P. N. N. L.; Fausto, R. (2005). "Matrix Isolation FTIR Spectroscopic and Theoretical Study of Dimethyl Sulfite" (PDF). J. Phys. Chem. A. 109 (16): 3578–3586. Bibcode:2005JPCA..109.3578B. doi:10.1021/jp050020t. hdl:10316/12879. PMID 16839024.
^ 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.
^ N. P. Yao; E. D'Orsay; D. N. Bennion (1968). "Behavior of Dimethyl Sulfite as a Potential Nonaqueous Battery Solvent". J. Electrochem. Soc. 115 (10): 999–1003. Bibcode:1968JElS..115..999Y. doi:10.1149/1.2410917.

[Fausto-1] Borba, A.; Gómez-Zavaglia, A.; Simões, P. N. N. L.; Fausto, R. (2005). "Matrix Isolation FTIR Spectroscopic and Theoretical Study of Dimethyl Sulfite" (PDF). J. Phys. Chem. A. 109 (16): 3578–3586. Bibcode:2005JPCA..109.3578B. doi:10.1021/jp050020t. hdl:10316/12879. PMID 16839024.

[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.

[3] N. P. Yao; E. D'Orsay; D. N. Bennion (1968). "Behavior of Dimethyl Sulfite as a Potential Nonaqueous Battery Solvent". J. Electrochem. Soc. 115 (10): 999–1003. Bibcode:1968JElS..115..999Y. doi:10.1149/1.2410917.

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