Description

n-Methyl-4,4'-Bipyridyl Iodide is a quaternary ammonium salt derivative of 4,4'-bipyridine, widely recognized as a key intermediate in the synthesis of viologens and other functional organic materials. This compound matters for its redox-active properties and its role as a precursor in advanced material science and electrochemistry. It is essential for researchers and manufacturers in the fields of electrochromic devices, molecular electronics, and as a building block for supramolecular chemistry and catalysis.

Application

• Electrochromic Materials: A critical precursor for synthesizing methyl viologen and related derivatives used in smart windows, displays, and mirrors.
• Organic Electronics: Serves as a key component in the development of organic semiconductors, conductive polymers, and charge transport layers.
• Supramolecular Chemistry: Used as a building block for constructing molecular cages, rotaxanes, and other host-guest complexes.
• Catalysis: Acts as a ligand or structural motif in the design of redox-active catalysts for organic transformations.
• Analytical Chemistry: Employed in the development of electrochemical sensors and biosensors due to its well-defined redox behavior.
• Photocatalysis & Energy Storage: Investigated for use in dye-sensitized solar cells (DSSCs) and next-generation battery materials.
• Agricultural Chemistry: An intermediate in the synthesis of certain herbicidal compounds, specifically paraquat analogs.
• Academic & Industrial R&D: A fundamental reagent for research in physical organic chemistry and materials science.

Basic Information

Product Name	n-Methyl-4,4'-Bipyridyl Iodide
CAS No.	38873-01-7
Molecular Formula	C11H11IN2
Molecular Weight	322.12 g/mol
Synonyms	1-Methyl-4,4'-bipyridinium Iodide; Methyl Viologen Iodide; Paraquat Monocation Iodide; 1-Methyl-1'-iodide-4,4'-bipyridinium; N,N'-Dimethyl-4,4'-bipyridinium Iodide (common misnomer); 4,4'-Bipyridinium, 1-methyl-, iodide (1:1); 1-Methyl-4,4'-bipyridyl Iodide; MPQ Iodide
EINECS	Contact for details

Quality Control

Our n-Methyl-4,4'-Bipyridyl Iodide is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
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.