1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate
Synonym(s):DABCO?(SO2)2;DABSO
- CAS NO.：119752-83-9
- Empirical Formula: C6H12N2O4S2
- Molecular Weight: 240.29
- MDL number: MFCD22377802
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-11 08:01:44
![1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate Structural](https://img.chemicalbook.in/CAS/GIF/119752-83-9.gif)
What is 1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate?
The Uses of 1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate
1,4-Diazabicyclo[2.2.2]octane bis(sulfur dioxide) (DABSO) is a charge transfer complex that can be used as a sulfur dioxide surrogate:
- In palladium-catalyzed aminosulfonylation process.
- In reaction with aryl bromides to synthesize sodium aryl sulfinates.
It can also be used to activate DMSO and o-vinylanilines for the synthesis of N-aryl-1H-benzo[d]imidazol-1-amine and 4-aryl quinolines, respectively.
Properties of 1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate
| Melting point: | 180 °C(dec.) |
| storage temp. | 2-8°C |
| Water Solubility | Soluble in water |
| form | powder to crystal |
| color | White to Almost white |
| CAS DataBase Reference | 119752-83-9 |
Safety information for 1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H228:Flammable solids H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 1,4-Diazabicyclo[2.2.2]octane-1,4-diium-1,4-disulfinate
| InChIKey | RWISEVUOFYXWFO-UHFFFAOYSA-N |
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