4-methyl-1,3,2-dioxathiolane 2-oxide
Synonym(s):1,2-Propanediol cyclic sulfite;4-Methyl-[1,3,2]dioxathiolane 2-oxide;4-Methyl-2-oxo-1,3,2-dioxathiolane;Propylene sulfite;PS
- CAS NO.：1469-73-4
- Empirical Formula: C3H6O3S
- Molecular Weight: 122.14
- MDL number: MFCD00041209
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:14:52
What is 4-methyl-1,3,2-dioxathiolane 2-oxide?
The Uses of 4-methyl-1,3,2-dioxathiolane 2-oxide
4-Methyl-1,3,2-dioxathiolane 2-Oxide (mixture of isomers) is used in the preparation of deep eutectic solvents in SO2 cycloaddition reactions.
The Uses of 4-methyl-1,3,2-dioxathiolane 2-oxide
Propyleneglycol sulfite has been studied as a film-forming electrolyte additive for use in lithium ion battery electrolytes. It is also used as a solvent for making non-aqueous electrolytes for lithium ion and lithium sulfur batteries.
General Description
This product has been enhanced for energy efficiency.
Properties of 4-methyl-1,3,2-dioxathiolane 2-oxide
| Boiling point: | 92℃ (40 Torr) |
| Density | 1.293 at 25 °C |
| refractive index | 1.4602 (589.3 nm 25℃) |
| Flash point: | 80℃ |
| form | clear liquid |
| color | Colorless to Light yellow |
Safety information for 4-methyl-1,3,2-dioxathiolane 2-oxide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-methyl-1,3,2-dioxathiolane 2-oxide
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