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| | 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Basic information |
| Product Name: | 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE | | Synonyms: | 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE;4,7-Dibromo-2,1,3-Benzothidiazole;DBBTA;4,7-Dibromobenzo-2,1,3-thiadiazole;4,7-Dibromobenzo[c][1,2,5]thiadiazole ,97%;4,7-dibroMo-,4,7-DibroMo-1,2,3-benzothiadiazole;4,7-DibroMo-2,1,3-benzothidiazole,4,7-DibroMobenzo[c][1,2,5]thiadiazole;2,1,3-Benzothiadiazole, 4,7-dibroMo-
4,7-DibroMo-2,1,3-benzothiadiazole | | CAS: | 15155-41-6 | | MF: | C6H2Br2N2S | | MW: | 293.97 | | EINECS: | 629-084-2 | | Product Categories: | Synthetic IntermediatesBuilding Blocks;ThiadiazolesHeterocyclic Building Blocks;Halogenated Heterocycles;Heterocyclic Building Blocks;Organic Electronics and Photonics;Synthetic Tools and Reagents;Thiadiazoles;OPV,OLED;Medical Intermediates | | Mol File: | 15155-41-6.mol |  |
| | 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Chemical Properties |
| Melting point | 186-190 °C | | Boiling point | 326.6±22.0 °C(Predicted) | | density | 2.229±0.06 g/cm3(Predicted) | | storage temp. | Inert atmosphere,Room Temperature | | solubility | Soluble in toluene. | | form | crystalline powder | | pka | -3.37±0.50(Predicted) | | color | White to Light yellow to Light orange |
| Hazard Codes | Xn,Xi | | Risk Statements | 22 | | Safety Statements | 36/37 | | RIDADR | UN 2811 6.1/PG 3 | | WGK Germany | 3 | | HazardClass | 6.1 | | PackingGroup | Ⅲ | | HS Code | 29349990 |
| | 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Usage And Synthesis |
| Description | 4,7-Dibromo-2,1,3-benzothiadiazole is a white to Light yellow to Light orange crystalline powder and needs to be stored in an inert gas. As an organic intermediate, it is widely used in organic synthesis and pharmaceutical production | | Chemical Properties | White solid | | Uses | This monomer is used in the synthesis of photoactive acceptor part in low band gap conjugated polymers and oligomers for high performance OPV devices | | Uses | 4,7-Dibromo-2,1,3-benzothiadiazole is the building block or monomer for the synthesis of light-emitting diodes and conducting polymers for organic electronics. It is used as an intermediate for the synthesis of poly[N-9'-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT) and poly[2,1,3-benzothiadiazole-4,7-diyl[4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diyl]] (PCPDTBT). |
| | 4,7-DIBROMO-2,1,3-BENZOTHIADIAZOLE Preparation Products And Raw materials |
| Raw materials | 5-FLUOROBENZO-[2,1,3]-THIADIAZOLE-->4-bromo-2,1,3-benzothiadiazole-->5,6-DIMETHYLBENZO-2,1,3-THIADIAZOLE-->1,2,3-BENZOTHIADIAZOLE-->4,6-DIMETHYL-1,2-PHENYLENEDIAMINE-->Diethylphosphorodithioate | | Preparation Products | 2,1,3-Benzothiadiazole-4,7-dicarbonitrile-->4,7-Bis(5-broMo-4-hexylthiophen-2-yl)benzo[c][1,2,5]thiadiazole-->7-bromobenzo[c][1,2,5]thiadiazole-4-carbonitrile-->5,8-DibroMoquinoxaline-->4,7-di(pyridin-4-yl)benzothiadiazole-->2,1,3-Benzothiadiazole-4,7-diboronic acid-->4,7-Dibromo-2-methyl-2H-benzotriazole |
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