ChemicalBook Product Catalog Organic Chemistry Inorganic acid Esters Diethyl sulfite

Diethyl sulfite

Diethyl sulfite Basic information
Product Name:Diethyl sulfite
Synonyms:SULFUROUS ACID DIETHYL ESTER;(C2H5O)2SO;Diethyl ester of sulfurous acid;Diethyl sulphite;Ethyl sulfite, (Et2SO3);Ethylethylsulfonate;Sulphurous acid diethyl ester;tl158
CAS:623-81-4
MF:C4H10O3S
MW:138.19
EINECS:210-815-5
Product Categories:Organic Building Blocks;Organic Sulfates/Sulfites;Sulfur Compounds
Mol File:623-81-4.mol
Diethyl sulfite Structure
Diethyl sulfite Chemical Properties
Boiling point 158-160 °C(lit.)
density 1.077 g/mL at 25 °C(lit.)
refractive index n20/D 1.414(lit.)
Fp 129 °F
storage temp. Flammables area
form Liquid
color Clear colorless
BRN 1701906
CAS DataBase Reference623-81-4(CAS DataBase Reference)
NIST Chemistry ReferenceSulfurous acid, diethyl ester(623-81-4)
EPA Substance Registry SystemSulfurous acid, diethyl ester (623-81-4)
Safety Information
Hazard Codes Xi
Risk Statements 10-36/37/38
Safety Statements 26-36-24/25-16
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS WT3511000
HazardClass 3.2
PackingGroup III
HS Code 29209085
MSDS Information
ProviderLanguage
Diethyl sulfite English
SigmaAldrich English
ACROS English
Diethyl sulfite Usage And Synthesis
Chemical Propertiesclear colorless solution
UsesDiethyl sulfite (DES) is used as a film forming and high temperature additive for electrolytes in lithium ion batteries. It improves decomposition resistance of the electrolyte. Diethyl sulfite is also used as solvent for lithium bis(oxalato)borate (LiBOB) based electrolytes. The LiBOB-based electrolyte with DES shows high oxidation potentials, and good conductivities.
General DescriptionThis product has been enhanced for energy efficiency.
Diethyl sulfite Preparation Products And Raw materials
Preparation Products1,1-Diethoxybutane-->CINNAMALDEHYDE DIETHYL ACETAL
Dimethyl sulfite TRIHEXYL PHOSPHITE BIS(9-CHLORO-1H,1H-PERFLUORONONYL)SULPHATE DIPROPYL SULFATE BIS(7-CHLORO-1H,1H-PERFLUOROHEPTYL)SULPHATE BETA-ENDOSULFAN ARAMITE Propargite Diethyl sulfite (S)-(-)-1,1-DIPHENYL-1,2-PROPANEDIOL CYCLIC SULFITE (+)-DIMETHYL 2,3-O-SULFONYL-D-TARTRATE Thiosulfan BIS(3-CHLORO-2,2,3,3-TETRAFLUOROPROPYL)SULFATE 1,3-BUTYLENESULFATE BIS(5-CHLOROOCTAFLUOROPENTYL)SULFATE DIMETHYL L-TARTRATE CYCLIC SULFATE Endosulfan I BIS(11-CHLORO-1H,1H-PERFLUOROUNDECYL)SULPHATE
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