Diethyl sulfite

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

Diethyl sulfite

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

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

See also

• Dimethyl sulfite
• Diethyl sulfate
• Diethyl sulfoxide