4,7-Bis(2-bromo-5-thienyl)-2,1,3-benzothiadiazole

CAS 288071-87-4C14H6Br2N2S3Organic & Printed Electronics

4,7-Bis(2-bromo-5-thienyl)-2,1,3-benzothiadiazole (CAS: 288071-87-4) is a bromine-substituted organic semiconductor with the molecular formula C14H6Br2N2S3 and a molecular weight of 458.21. This compound serves as a valuable building block in materials science, particularly for the development of organic and printed electronics. Its structure facilitates incorporation into conjugated polymers and small molecules for advanced electronic applications.

Synonyms: 3-benzothiadiazole, C14H6Br2N2S3

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4,7-Bis(2-bromo-5-thienyl)-2,1,3-benzothiadiazole (C14H6Br2N2S3) — chemical structure, CAS 288071-87-4; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceSynthetic IntermediatesSynthetic Tools and Reagents

01 /Applications

Organic Electronics Research

Utilised as a monomer or intermediate in the synthesis of novel organic semiconductors for applications in organic field-effect transistors (OFETs), organic light-emitting diodes (OLEDs), and organic photovoltaics (OPVs).

Polymer Synthesis

Incorporated into conjugated polymer backbones to tune electronic and optical properties, enabling the creation of materials with specific charge transport characteristics.

Materials Science Innovation

Serves as a key synthetic intermediate for creating complex molecular architectures with tailored optoelectronic functionalities for advanced material development.

02 /Properties

Molecular weight	458.21
Empirical formula	C14H6Br2N2S3
Assay	≥99.0% (HPLC)
Form	solid
Melting point	245-247 °C

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Toxic (GHS06) — Toxic

Danger

Hazard statements

H301Toxic if swallowed
H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P301IF SWALLOWED
P305IF IN EYES

Transport (UN / ADR)	UN 2811 6.1 / PGIII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	T
Risk statements (R)	25-41
Safety statements (S)	26-39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

288071-87-4

MDL number

MFCD16619295

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 4,7-Bis(2-bromo-5-thienyl)-2,1,3-benzothiadiazole used for?

This compound is primarily used as a building block in materials science for the synthesis of organic semiconductors, particularly for applications in organic electronics like OFETs, OLEDs, and OPVs.

What is the CAS number and molecular formula?

The CAS number is 288071-87-4, and the molecular formula is C14H6Br2N2S3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical with a purity of ≥99.0% (HPLC). We do not represent this product as USP, BP, or EP grade.

How should this chemical be handled safely?

This chemical is classified under GHS05 and GHS06 with the signal word Danger. It is harmful if swallowed (H301) and causes serious eye damage (H318). Handle with appropriate personal protective equipment and follow safety precautions outlined in the safety data sheet.