Description

2,2′-[2,2′:5′,2′′:5′′,2′′′:5′′′,2′′′′-Quinquethien-5,5′′′′- Diylbis(Methane-1-Yl-1-Ylidine)]Dimalononitrile is a high-purity, specialized organic compound with a complex conjugated structure based on a quinquethiophene core. This compound matters for its unique electronic and optical properties, making it a valuable non-fullerene acceptor (NFA) material and a key building block in advanced materials research. It is primarily needed by R&D and manufacturing teams in the organic electronics and photovoltaic sectors, where it is used to develop next-generation organic solar cells (OSCs) and other optoelectronic devices.

Application

• Organic Photovoltaic (OPV) Cells: Serves as a critical electron-accepting component (non-fullerene acceptor) in the active layer of high-efficiency organic solar cells.
• Organic Field-Effect Transistors (OFETs): Used as a semiconducting material to fabricate high-performance electronic components for flexible displays and sensors.
• Organic Light-Emitting Diodes (OLEDs): Investigated as an electron transport or emissive layer material for improved device efficiency and color purity.
• Photodetectors and Sensors: Employed in the development of sensitive, tunable optical sensors due to its strong light-absorbing characteristics.
• Advanced Material Research: Acts as a foundational chemical for synthesizing novel conjugated polymers and small molecules with tailored electronic properties.
• Dye and Pigment Development: Explored for creating new classes of functional dyes with specific absorption and emission profiles.

Basic Information

Item	Detail
Product Name	2,2′-[2,2′:5′,2′′:5′′,2′′′:5′′′,2′′′′-Quinquethien-5,5′′′′- Diylbis(Methane-1-Yl-1-Ylidine)]Dimalononitrile
CAS No.	1256724-81-8
Molecular Formula	C34H14N4S5
Molecular Weight	654.80 g/mol
Synonyms	Quinquethiophene-based dimalononitrile; 5,5''''-Bis(dicyanomethylene)-2,2':5',2'':5'',2''':5''',2''''-quinquethiophene; NFA material based on quinquethiophene; Acceptor material for OPV; Dicyanomethylene-functionalized quinquethiophene; 2,2'-(2,2':5',2'':5'',2''':5''',2''''-Quinquethiophene-5,5''''-diyl)bis(1-cyanoprop-1-en-2-yl-1-ylidene) dimalononitrile (alternative IUPAC); QTP-DCN
EINECS	Contact for details

Quality Control

Our 2,2′-[2,2′:5′,2′′:5′′,2′′′:5′′′,2′′′′-Quinquethien-5,5′′′′- Diylbis(Methane-1-Yl-1-Ylidine)]Dimalononitrile is produced under stringent conditions to ensure batch-to-batch consistency critical for device performance. All materials undergo rigorous analytical testing, including HPLC for purity and spectroscopic methods (NMR, MS) for structural confirmation. Certificates of Analysis (COA) detailing purity, identity, and key physical properties are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive; prolonged exposure to light should be avoided to prevent degradation. Keep the container tightly sealed in a dry environment to minimize moisture uptake.

Specification

Item	Specification
Appearance	Dark solid powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Residue on Ignition	< 0.5%
Heavy Metals (as Pb)	< 20 ppm

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