Description

4,4-Diphenylcyclopentadithiophene is a high-purity organic semiconductor building block and advanced material precursor. This compound matters for its role in the synthesis of novel conjugated polymers and small molecules used in next-generation electronic devices. It is primarily needed by researchers and manufacturers in the organic electronics, photovoltaics, and materials science sectors for developing high-performance optoelectronic materials.

Application

• Key monomer for synthesizing conjugated polymers in Organic Photovoltaics (OPV) and Perovskite Solar Cells.
• Building block for Organic Light-Emitting Diodes (OLEDs) and Organic Field-Effect Transistors (OFETs).
• Precursor material in the development of non-linear optical (NLO) materials and electrochromic devices.
• Intermediate for advanced organic electronic materials research in academic and industrial R&D laboratories.
• Used in the synthesis of hole-transport materials (HTMs) and electron donor materials.

Basic Information

Product Name	4,4-Diphenylcyclopentadithiophene
CAS No.	1637757-28-8
Molecular Formula	C25H16S2
Molecular Weight	380.52 g/mol
Synonyms	4,4-Bis(phenyl)cyclopenta[2,1-b:3,4-b']dithiophene; 4,4-Diphenyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene; 4,4-Di(phenyl)cyclopentadithiophene; 4,4-Diphenyl-CPDT; CPDT-DP; 4,4-Diphenylcyclopentadithiophene monomer; 4,4-Diphenyl-cyclopenta[2,1-b:3,4-b']dithiophene
EINECS	Contact for details

Quality Control

Our 4,4-Diphenylcyclopentadithiophene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and GC-MS. 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, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
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.