Diethyl sulfite
Synonym(s):DES;Ethyl sulfite
- CAS NO.:623-81-4
- Empirical Formula: C4H10O3S
- Molecular Weight: 138.19
- MDL number: MFCD00009098
- EINECS: 210-815-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-25 17:59:01
What is Diethyl sulfite?
Chemical properties
clear colorless solution
The Uses of Diethyl sulfite
Diethyl 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 Description
This product has been enhanced for energy efficiency.
Properties of Diethyl sulfite
Boiling point: | 158-160 °C(lit.) |
Density | 1.077 g/mL at 25 °C(lit.) |
refractive index | n |
Flash point: | 129 °F |
storage temp. | Flammables area |
form | Liquid |
color | Clear colorless |
BRN | 1701906 |
Dielectric constant | 15.9(20℃) |
CAS DataBase Reference | 623-81-4(CAS DataBase Reference) |
NIST Chemistry Reference | Sulfurous acid, diethyl ester(623-81-4) |
EPA Substance Registry System | Sulfurous acid, diethyl ester (623-81-4) |
Safety information for Diethyl sulfite
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for Diethyl sulfite
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Dimethyl sulfite
Triethyl phosphite
TRIHEXYL PHOSPHITE
ENDOSULFAN SULFATE
(+)-DIMETHYL 2,3-O-SULFONYL-D-TARTRATE
BETA-ENDOSULFAN
ARAMITE
DIPROPYL SULFATE
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