Description

7,7,8,8-Tetracyanoquinodimethane (TCNQ) is a highly versatile organic semiconductor and electron acceptor of significant industrial and research importance. Its strong electron-accepting properties make it a critical component for creating electrically conductive charge-transfer complexes and salts. This compound is essential for industries and research institutions focused on advanced materials, particularly in the development of organic electronics, sensors, and molecular switches.

Application

• Organic Semiconductor Fabrication: As a key electron-acceptor material in the production of organic field-effect transistors (OFETs) and photovoltaic cells.
• Conductive Complexes & Salts: Used to synthesize highly conductive charge-transfer salts with donors like tetrathiafulvalene (TTF) for molecular electronics.
• Chemical Sensing: Employed in the development of chemiresistive and electrochemical sensors due to its redox-active nature.
• Nonlinear Optical Materials: Serves as a building block for materials with nonlinear optical (NLO) properties.
• Research & Development: A fundamental reagent in academic and industrial R&D for studying electron transfer processes and molecular magnetism.
• Electrochromic Devices: Used in materials that change color or opacity in response to an applied voltage.

Basic Information

Product Name	7,7,8,8-Tetracyanoquinodimethane
CAS No.	1518-16-7
Molecular Formula	C12H4N4
Molecular Weight	204.19 g/mol
Synonyms	TCNQ; 2,5-Cyclohexadiene-1,4-diylidene-dimalononitrile; Tetracyanoquinodimethane; 7,7,8,8-Tetracyano-p-quinodimethane; Quinodimethane, 7,7,8,8-tetracyano-; p-Quinodimethane, 7,7,8,8-tetracyano-; NSC 406913
EINECS	216-179-6

Quality Control

Our 7,7,8,8-Tetracyanoquinodimethane is produced under stringent quality control protocols to ensure high purity and batch-to-batch consistency, meeting the exacting requirements of advanced materials research and manufacturing. Each batch is analyzed using advanced techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee material integrity for your critical applications.

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 sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	293 - 295 °C
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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