1,3,2-Dioxathiane 2-oxide
Synonym(s):2-Oxo-1,3,2-dioxathiane;PS;TMS;Trimethylene sulfite
- CAS NO.：4176-55-0
- Empirical Formula: C3H6O3S
- Molecular Weight: 122.14
- MDL number: MFCD01682880
- EINECS: 224-044-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:07
What is 1,3,2-Dioxathiane 2-oxide?
The Uses of 1,3,2-Dioxathiane 2-oxide
Trimethylene sulfite is used as high temperature additive for electrolytes in Lithium ion batteries. It improves the decomposition resistance of the electrolyte.
General Description
This product has been enhanced for energy efficiency.
Properties of 1,3,2-Dioxathiane 2-oxide
| Melting point: | -14 °C |
| Boiling point: | 54°C/8mmHg(lit.) |
| Density | 1.347 g/mL at 25 °C |
| refractive index | n20/D1.453 |
| Flash point: | 83℃ |
| storage temp. | 2-8°C |
| form | clear liquid |
| color | Colorless to Almost colorless |
| CAS DataBase Reference | 4176-55-0(CAS DataBase Reference) |
Safety information for 1,3,2-Dioxathiane 2-oxide
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 1,3,2-Dioxathiane 2-oxide
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