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: 2026-01-13 11:12:52
![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
New Products
4-Iodo-3,5-dimethylbenzonitrile 2-fluoro-4-iodoaniline 2-(3-Methyl-1,2,4-oxadiazol-5-yl)acetic acid (as potassium salt) 6,6'-methylenebis(9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one) 3-Bromo-2-fluorobenzoic acid Quinuclidine-4-carbonitrile N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (R)-1-Benzyl-3-pyrrolidinecarbonitrile Bupropian related compound F Lantanoprost rc B Clidinium Bromide Impurity Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity N-Nitroso hydroxy Cetrizine EP Impurity-A 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 1,4-bis(methylsulfonyl)butane 4-Cyano-N-Methacryloyl-3-Trifluoromethyl Aniline 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzeneRelated products of tetrahydrofuran
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