Description

4,4-Dimethyl-4H-Cyclopenta[1,2-B:5,4-B']Dithiophene is a high-purity fused-ring heterocyclic compound that serves as a critical advanced intermediate in the synthesis of organic electronic materials. Its value lies in its rigid, planar conjugated structure, which is essential for developing high-performance semiconducting polymers and small molecules. This product is primarily needed by R&D chemists and manufacturers in the organic electronics, photovoltaics, and advanced materials sectors.

Application

• Organic Photovoltaic (OPV) Cells: As a core building block for donor or acceptor materials in bulk heterojunction solar cells.
• Organic Field-Effect Transistors (OFETs): Used in the synthesis of p-type or n-type semiconducting polymers for thin-film transistors.
• Organic Light-Emitting Diodes (OLEDs): Serves as a key intermediate for emissive or charge-transport layer materials.
• Chemical Synthesis: An advanced intermediate for creating novel conjugated systems and complex heterocyclic architectures.
• Materials Science Research: For investigating structure-property relationships in π-conjugated systems and developing new functional materials.

Basic Information

Product Name	4,4-Dimethyl-4H-Cyclopenta[1,2-B:5,4-B']Dithiophene
CAS No.	153312-83-5
Molecular Formula	C11H10S2
Molecular Weight	206.33 g/mol
Synonyms	4H-Cyclopenta[1,2-b:5,4-b']dithiophene, 4,4-dimethyl-; 4,4-Dimethylcyclopenta[1,2-b:5,4-b']dithiophene; 4,4-Dimethyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene; 4,4-Dimethyl-4H-cyclopenta[1,2-b:5,4-b′]dithiophene; 4,4-Dimethyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene (CPDT-Me2); Dimethylcyclopentadithiophene; CPDT-Me2; 4,4-Dimethylcyclopentadithiophene
EINECS	Contact for details

Quality Control

Our production of 4,4-Dimethyl-4H-Cyclopenta[1,2-B:5,4-B']Dithiophene adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity, which is critical for electronic applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. Certificates of Analysis (COA) detailing purity and impurity profiles are provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). The compound is light-sensitive and should be handled under an inert atmosphere when appropriate to prevent degradation. Keep away from strong acids and incompatible materials.

Specification

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

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