4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole
Synonym(s):bb-F2BT
- CAS NO.：1295502-53-2
- Empirical Formula: C6Br2F2N2S
- Molecular Weight: 329.95
- MDL number: MFCD28369502
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:42
![4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole Structural](https://img.chemicalbook.in/CAS/20150408/GIF/1295502-53-2.gif)
What is 4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole?
Description
5,6-Difluoro-4,7-dibromobenzo[c][1,2,5]thiadiazole is the building block/monomer for organic semiconductor synthesis in the application of light-emitting diodes and photovoltaic devices. Extra fluorine atoms on the benzothiadiazole ring makes the compounds more electron-withdrawing?when?the unit is embedded?into?low-band gap polymer semiconductors, to introduce better electron affinity and?further lower the?band gap of the semiconducting materials.
The Uses of 4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole
Fluorinated benzothiadiazole-based conjugated polymers for high open-circuit voltage in organic photovoltaics.
Properties of 4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole
| Melting point: | 153.0 to 157.0 °C |
| Boiling point: | 318.2±37.0 °C(Predicted) |
| Density | 2.352±0.06 g/cm3(Predicted) |
| Flash point: | >300℃ |
| storage temp. | 2-8°C |
| form | powder to crystaline |
| pka | -5.16±0.50(Predicted) |
| color | White/Off-white crystalline solid |
Safety information for 4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
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 4,7-dibroMo-5,6-difluorobenzo[c][1,2,5]thiadiazole
| InChIKey | HFUBKQHDPJZQIW-UHFFFAOYSA-N |
New Products
Indole Methyl Resin tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate 4-Chloro-7-tosy1-7Hpyrrolo[2,3-d]pyrimidine 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidamide 4-chloromethyl-5-methyl-1,3-dioxol-2-one (DMDO-Cl) 2,2-Dimethoxy-7-azaspiro[3.5]nonane hydrochloride 1-Boc-4-cyanopiperidine R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDIIMIDAZOLE 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) Methyl 6-methylnicotinate TETRAHYDRO-2H-PYRAN-3-OL tert-Butyl carbazate 2-Methoxyphenothiazine N-methyl -4-piperidone 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 2,4-dihydroxybenzaldehyde 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile Methyl 2-methylquinoline-6-carboxylate 2,6-dichloro-4-nitropyridine 4-Bromo-2-chlorobenzonitrile 1-methylindoline-2,3-dione methyl 4-ethyl-3-ethynylbenzoate Methyl phenyl sulfoneRelated products of tetrahydrofuran
![TETRABROMO-THIENO[3,2-B]THIOPHENE](https://img.chemicalbook.in/CAS/GIF/124638-53-5.gif)
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