Description

2,5-Dimethyl-7,7,8,8-Tetracyanoquinodimethane is a high-purity organic semiconductor material belonging to the class of tetracyanoquinodimethane (TCNQ) derivatives. This compound matters for its exceptional electron-accepting properties, making it a critical component in the development of advanced electronic and optoelectronic devices. Industries such as organic electronics, materials science research, and specialty chemical manufacturing rely on this material for creating conductive complexes, charge-transfer salts, and molecular sensors.

Application

• Organic Semiconductor Fabrication: As a key n-type semiconductor material in organic field-effect transistors (OFETs) and thin-film devices.
• Conductive Material Synthesis: For producing highly conductive charge-transfer salts and complexes with various organic donors.
• Molecular Electronics: Utilized in the research and development of molecular wires, switches, and other nanoscale electronic components.
• Optoelectronic Devices: As an electron acceptor layer in organic photovoltaic (OPV) cells and light-emitting diodes (OLEDs).
• Chemical Sensing: Employed in the design of sensitive chemical sensors and detection systems due to its redox activity.
• Materials Science Research: A fundamental building block for studying electron transfer processes and designing novel functional materials.
• Non-linear Optics (NLO): Investigated for applications in non-linear optical materials due to its extended π-conjugated system.

Basic Information

Product Name	2,5-Dimethyl-7,7,8,8-Tetracyanoquinodimethane
CAS No.	1487-82-7
Molecular Formula	C₁₆H₈N₄
Molecular Weight	256.26 g/mol
Synonyms	2,5-Dimethyl-TCNQ; 2,5-Dimethyl-1,4-bis(dicyanomethylene)cyclohexa-2,5-diene; 2,5-Dimethyl-7,7,8,8-tetracyano-p-quinodimethane; 2,5-Dimethyltetracyanoquinodimethane; DMTCNQ; 2,5-Me₂TCNQ; 2,5-Dimethyl-1,4-bis(dicyanomethylene)-2,5-cyclohexadiene
EINECS	Contact for details

Quality Control

Our 2,5-Dimethyl-7,7,8,8-Tetracyanoquinodimethane is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. Each lot undergoes comprehensive analytical testing including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and R&D documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Dark purple to black 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.