5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
- CAS NO.：174508-31-7
- Empirical Formula: C6H4Br2O2S
- Molecular Weight: 299.97
- MDL number: MFCD01651770
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-22 11:23:49
![5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine Structural](https://img.chemicalbook.in/CAS/GIF/174508-31-7.gif)
What is 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine?
Chemical properties
Needle-like solid
The Uses of 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
5,7-Dibromo-2,3-dihydrothieno[3,4-b]-1,4-dioxine is used in the preparation of 3,4-ethylenedioxythiophene oligomers with optical and redox properties.
The Uses of 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
Used as a monomer in the synthesis of poly(3,4-ethylenedioxythiophene) (PEDOT) polymer which are used in electrochromic devices.
General Description
2,5-Dibromo-3,4-ethylenedioxythiophene (DBEDOT) is a monomer which is used in the synthesis of highly conducting poly(3,4-ethylenedioxythiophene) (PEDOT) polymer. This polymer is formed by solid-state polymerisation of DBEDOT and is used widely in organic-light emitting diodes and polymer field effect transistors. DBEDOT is a well-ordered crystalline monomer and produces PEDOT polymer which has a high degree of order.
Properties of 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
| Melting point: | 98 °C |
| Boiling point: | 306.5±42.0 °C(Predicted) |
| Density | 2.139±0.06 g/cm3(Predicted) |
| storage temp. | -20°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Solid |
| color | Grey to Dark Blue |
| CAS DataBase Reference | 174508-31-7 |
Safety information for 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P501:Dispose of contents/container to..… |
Computed Descriptors for 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
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