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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-Dibromobenzo[c]-1,2,5-thiadiazole (Dibromo BTD);4,7-Dibromo-2,1,3-Benzothidiazole;4,7-Dibromobenzo[c][1,2,5]thiadiazole;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 | | 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;Medical Intermediates;Thiadiazoles;OPV,OLED | | 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 the building block or monomer for organic semiconductors synthesis in the application of light-emitting diodes and photovoltaic devices. Intermediate for the synthesis of i.e. PCDTBT and PCPDTBT. | | Chemical Properties | White solid | | 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). | | 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 |
| 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 |
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