Description

5,10-Bis((2-Ethylhexyl)Oxy)Dithieno[2,3-D:2',3'-D']Benzo[1,2-B:4,5-B']Dithiophene is a high-performance organic semiconductor material belonging to the class of fused heteroaromatic compounds. Its molecular architecture is engineered to deliver exceptional charge carrier mobility and tunable optoelectronic properties, which are critical for advanced electronic applications. This compound is primarily sought after by R&D and manufacturing teams in the organic electronics and photovoltaics sectors for developing next-generation devices.

Application

• As a key p-type semiconductor material in the active layer of organic field-effect transistors (OFETs).
• As a donor or acceptor component in the photoactive layer of organic photovoltaic (OPV) cells and perovskite solar cells.
• As a functional hole-transport material (HTM) in organic light-emitting diodes (OLEDs) and perovskite light-emitting diodes (PeLEDs).
• As a building block for conjugated polymers and small molecules in advanced material synthesis.
• In research focused on thermoelectric materials due to its potential for low thermal conductivity.
• For developing chemical sensors leveraging its selective electronic response.

Basic Information

Product Name	5,10-Bis((2-Ethylhexyl)Oxy)Dithieno[2,3-D:2',3'-D']Benzo[1,2-B:4,5-B']Dithiophene
CAS No.	1446476-78-3
Molecular Formula	C₃₈H₄₄O₂S₄
Molecular Weight	660.99 g/mol
Synonyms	Bis(2-ethylhexyloxy)dithienobenzodithiophene; DTBDT-OEH; 2-Ethylhexyloxy-substituted DTBDT; Dithieno[2,3-d:2',3'-d']benzo[1,2-b:4,5-b']dithiophene, 5,10-bis[(2-ethylhexyl)oxy]-; Organic semiconductor OEH-DTBDT; OEH-DTBDT; Fused thiophene derivative OEH; Asymmetric ladder-type heteroarene
EINECS	Contact for details

Quality Control

Every batch of our high-purity organic electronic materials undergoes rigorous analytical testing to ensure consistency and performance. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and key functional properties. Our quality management system is designed to support R&D and pilot-scale production with reliable, traceable materials. Specifications are aligned with the stringent requirements of advanced material development.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain purity and performance.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	< 0.1%
Heavy Metals (as Pb)	< 10 ppm

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