Description

Octadecylpyridinium-7,7,8,8-Tetracyanoquinomethane is a specialized organic salt complex formed from a long-chain pyridinium cation and the electron-accepting TCNQ anion. This compound matters for its unique electrical and optical properties, making it a valuable material in advanced electronic and photonic research. It is primarily needed by R&D teams and manufacturers in the fields of organic semiconductors, molecular electronics, and non-linear optical materials.

Application

• Organic Semiconductor Fabrication: Used as a charge-transfer complex in the development of thin-film transistors and conductive polymers.
• Non-Linear Optical (NLO) Materials: Serves as a key component in research for optical limiting, switching, and frequency conversion devices.
• Molecular Electronics: Investigated for use in molecular wires, rectifiers, and other nanoscale electronic components.
• Electrochromic Devices: Employed in research for smart windows and displays due to its reversible color change upon redox reactions.
• Chemical Sensing: Acts as a sensitive layer in chemiresistive or optical sensors for detecting specific analytes.
• Academic & Industrial R&D: A crucial reagent for fundamental studies on charge transport and organic magnetic materials.

Basic Information

Product Name	Octadecylpyridinium-7,7,8,8-Tetracyanoquinomethane
CAS No.	101531-25-3
Molecular Formula	C₄₈H₆₈N₆
Molecular Weight	729.10 g/mol
Synonyms	Octadecylpyridinium TCNQ Salt; N-Octadecylpyridinium-7,7,8,8-tetracyano-p-quinodimethane; C18-Pyridinium TCNQ; 1-Octadecylpyridinium 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis(propanedinitrile); Octadecylpyridinium Tetracyanoquinodimethanide; Pyridinium, 1-octadecyl-, salt with 7,7,8,8-tetracyanoquinodimethane (1:1); Charge-transfer complex of octadecylpyridinium and TCNQ
EINECS	Contact for details

Quality Control

Our Octadecylpyridinium TCNQ is produced under controlled conditions to ensure batch-to-batch consistency for research applications. Each lot undergoes rigorous analytical testing, including spectroscopic and chromatographic methods, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is 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 material is light-sensitive (store away from light) and should be handled under an inert atmosphere when appropriate to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%
Solubility	Soluble in chlorinated and aromatic organic solvents

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