Description

7H-Cyclopenta[1,2-B:4,3-B']Dithiophene, 2,5-Dimethyl- is a high-purity fused-ring heterocyclic compound that serves as a critical organic semiconductor building block. Its value lies in its unique conjugated structure, which is essential for tuning the electronic and optical properties of advanced materials. This product is primarily needed by researchers and manufacturers in the organic electronics and materials science sectors.

Application

• As a key monomer or intermediate in the synthesis of conjugated polymers for organic photovoltaics (OPVs) and perovskite solar cells.
• In the development of organic field-effect transistors (OFETs) and other thin-film electronic devices.
• As a core structural unit for designing novel organic light-emitting diodes (OLEDs) and display materials.
• For research into n-type or ambipolar organic semiconductors due to its electron-rich dithiophene backbone.
• In the preparation of small molecule acceptors (SMAs) for high-efficiency bulk-heterojunction solar cells.
• As a specialty chemical precursor in advanced material research and development laboratories.

Basic Information

Product Name	7H-Cyclopenta[1,2-B:4,3-B']Dithiophene, 2,5-Dimethyl-
CAS No.	347248-59-3
Molecular Formula	C13H10S2
Molecular Weight	230.35 g/mol
Synonyms	2,5-Dimethyl-7H-cyclopenta[1,2-b:4,3-b']dithiophene; 2,5-Dimethylcyclopentadithiophene; 2,5-Dimethyl-CPDT; CPDT-DM; 7H-Cyclopentadithiophene, 2,5-dimethyl-; 2,5-Dimethyl-7H-cyclopenta[1,2-b:4,3-b']dithiophene; 4,8-Dimethyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene
EINECS	Contact for details

Quality Control

Our 7H-Cyclopenta[1,2-B:4,3-B']Dithiophene, 2,5-Dimethyl- is produced under controlled conditions to ensure batch-to-batch consistency and high purity, which is critical for electronic applications. All products undergo rigorous quality testing, including advanced chromatographic analysis, to ensure compliance with stringent R&D and production standards. A Certificate of Analysis (COA) detailing purity and identity is provided with each shipment.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details

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