2255-79-0

Basic information

• Product Name: 4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole
• Synonyms: 4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole;4,7-dibroMo-5-Methylbenzo[c][1,2,5]thiadiazole
• CAS NO: 2255-79-0
• Molecular Formula: C₇H₄Br₂N₂S
• Molecular Weight: 310.00894
• Mol File: 2255-79-0.mol

Chemical Properties

• Melting Point: 145.5-146.5 °C
• Boiling Point: 342.6±37.0 °C(Predicted)
• Appearance: /
• Density: 2.079±0.06 g/cm3(Predicted)
• PKA: -3.13±0.50(Predicted)
• CAS DataBase Reference: 4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole(CAS DataBase Reference)
• NIST Chemistry Reference: 4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole(2255-79-0)
• EPA Substance Registry System: 4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole(2255-79-0)

Safety Data

• Hazardous Substances Data: 2255-79-0(Hazardous Substances Data)

Usage

Uses

Used in Organic Electronics Industry:
4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole is used as a heterocyclic building block for the development of organic semiconductors. Its high electron affinity and excellent charge transport properties make it a promising candidate for use in electronic applications.
Used in Organic Thin-Film Transistors:
In the organic thin-film transistor industry, 4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole is used as a key component in the fabrication of organic semiconductors. Its unique properties contribute to the improvement of device performance, including enhanced charge transport and electron affinity.
Used in Organic Photovoltaic Cells:
4,7-dibromo-5-methylbenzo[1,2,5]thiadiazole is utilized as a constituent of organic semiconductors in the development of organic photovoltaic cells. Its electron affinity and charge transport capabilities play a crucial role in enhancing the efficiency and performance of these solar energy conversion devices.

Upstream product

• 90755-69-4 7-bromo-6-methyl-benzo[1,2,5]thiadiazol-4-ylamine 
• 496-72-0 4-methyl-1,2-diaminobenzene 
• 18392-78-4 4-bromo-5-methyl-7-nitro-benzo[1,2,5]thiadiazole 
• 2255-81-4 4-bromo-5-methyl-benzo[1,2,5]thiadiazole 
• 1457-93-8 5-methylbenzo[c][1,2,5]thiadiazole 

Relevant articles and documents

Benzothiadiazole modified imidazole compound as well as preparation method and application thereof

The invention provides a benzothiadiazole modified imidazole compound as well as a preparation method and application thereof, and belongs to the technical field of epoxy resin curing agents. The structural formula of the compound is shown in formula 1, and in the formula 1, N is nitrogen and R. 1 . R2 , R3 And R4 A separate hydrogen, alkyl chain or phenyl group, respectively. The invention provides a preparation method of a benzothiadiazole modified imidazole compound. The invention further provides an application of the compound as a latent curing agent in curing epoxy resin. The compound disclosed by the invention is used as a curing agent, has a long storage period with an epoxy resin, can rapidly cure epoxy resin under medium and high temperature conditions, can also use 4’ 4 - diaminodiphenylmethane as a co-curing agent of the epoxy resin, reduces the reaction temperature and improves the reaction rate.

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A novel near infrared ratiometric fluorescent chemosensor based on triphenylamine, thiophene and benzothiadiazole has been developed. The emission wavelength of sensor DTPAT-BT-S was in the near infrared region. The wavelength changed from 656?nm to 723?n

Synthesis and photovoltaic properties of two-dimensional copolymers based on novel benzothiadiazole and quinoxaline acceptors with conjugated dithienylbenzothiadiazole pendants

Two novel acceptors of benzo[c][1,2,5]thiadiazole and quinoxaline with conjugated dithienylbenzothiadiazole pendants were first designed and synthesized for building efficient photovoltaic copolymers. Based on benzo[1,2-b;3,4-b′]dithiophene donors and the

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A new series of 2,1,3-benzothiadiazole (BT) acceptors with different conjugated aryl-vinylene side chains have been designed and used to build efficient low-bandgap (LBG) photovoltaic copolymers. Based on benzo[1,2-b:3,4-b']dithiophene and the resulting n