Description

(E)-2,2'-Dibromo-4,4'-Bis(2-Ethylhexyl)-[6,6'-Bithieno[3,2-B]Pyrrolylidene]-5,5'(4H,4H')-Dione is a high-purity, advanced organic semiconductor material designed for cutting-edge electronic applications. This compound is critical for enabling high-performance, next-generation organic electronic devices due to its tailored electronic properties and structural stability. It is primarily required by R&D scientists and manufacturers in the organic electronics, photovoltaics, and advanced materials sectors.

Application

• As a key n-type semiconductor material in organic field-effect transistors (OFETs).
• As an electron-accepting component in the active layer of organic photovoltaics (OPVs) and perovskite solar cells.
• As a functional material for developing organic light-emitting diodes (OLEDs) and sensors.
• In advanced research for flexible and printed electronics.
• As a building block for synthesizing more complex conjugated polymers and small molecules.
• In the fabrication of thermoelectric materials for energy harvesting.

Basic Information

Product Name	(E)-2,2'-Dibromo-4,4'-Bis(2-Ethylhexyl)-[6,6'-Bithieno[3,2-B]Pyrrolylidene]-5,5'(4H,4H')-Dione
CAS No.	1147124-49-9
Molecular Formula	C38H48Br2N2O2S2
Molecular Weight	780.73 g/mol
Synonyms	Bithieno[3,2-b]pyrrolylidene-dione derivative; 2,2'-Dibromo-4,4'-bis(2-ethylhexyl)-6,6'-bithieno[3,2-b]pyrrolylidene-5,5'(4H,4H')-dione; (E)-Dibromo-Bis(2-Ethylhexyl)-Bithienopyrrolylidenedione; D-A type n-type semiconductor; OPV acceptor material; OFET material; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of (E)-2,2'-Dibromo-4,4'-Bis(2-Ethylhexyl)-[6,6'-Bithieno[3,2-B]Pyrrolylidene]-5,5'(4H,4H')-Dione adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity, essential for electronic device performance. Each lot is fully characterized using advanced analytical techniques, including NMR, HPLC, and mass spectrometry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Dark solid powder or crystals
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm
Moisture Content (KF)	< 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.