Description

5-Chloro-2-[3-(5-Chloro-1-Ethyl-1,3-Dihydro-3-Methyl-2H-Benzimidazol-2-Ylidene)-1-Propenyl]-1-Ethyl-3-Methyl-1H-Benzimidazolium Chloride is a high-purity, functional organic salt belonging to the benzimidazolium dye class. This compound matters as a critical intermediate and functional chromophore for advanced material synthesis, offering unique optical and electronic properties. It is primarily needed by manufacturers in the specialty dyes, optical materials, and organic electronics sectors for research and production.

Application

• Synthesis of Cyanine Dyes: A key precursor for producing near-infrared (NIR) absorbing and fluorescent cyanine dyes used in bioimaging and medical diagnostics.
• Optical Data Storage Materials: Used in the development of advanced materials for optical discs and holographic storage media.
• Organic Photovoltaic (OPV) Cells: Functions as an electron acceptor or donor material in the active layer of solar cells.
• Non-Linear Optical (NLO) Materials: Employed in the research and production of materials for laser technology, optical switching, and signal processing.
• Laser Dyes and Sensitizers: Acts as a sensitizer in dye lasers and in photodynamic therapy (PDT) applications.
• Chemical Sensors: Utilized as a signaling moiety in the development of colorimetric and fluorescent sensors for ions and biomolecules.
• Academic and Industrial R&D: Serves as a valuable building block for novel conjugated systems and functional materials in research laboratories.

Basic Information

Item	Details
Product Name	5-Chloro-2-[3-(5-Chloro-1-Ethyl-1,3-Dihydro-3-Methyl-2H-Benzimidazol-2-Ylidene)-1-Propenyl]-1-Ethyl-3-Methyl-1H-Benzimidazolium Chloride
CAS No.	93857-68-2
Molecular Formula	C25H28Cl2N4
Molecular Weight	455.42 g/mol
Synonyms	5-Chloro-2-[3-(5-chloro-1-ethyl-3-methyl-1,3-dihydro-2H-benzimidazol-2-ylidene)-1-propen-1-yl]-1-ethyl-3-methyl-1H-benzimidazolium chloride; Benzimidazolium, 5-chloro-2-[3-(5-chloro-1-ethyl-3-methyl-2-benzimidazolinylidene)-1-propenyl]-1-ethyl-3-methyl-, chloride; Cyanine dye intermediate; NIR dye precursor; Heptamethine cyanine salt derivative; 93857-68-2; 5-Chloro-1-ethyl-2-[3-(5-chloro-1-ethyl-3-methyl-2(3H)-benzimidazolylidene)-1-propenyl]-3-methyl-1H-benzimidazolium chloride
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-[3-(5-Chloro-1-Ethyl-1,3-Dihydro-3-Methyl-2H-Benzimidazol-2-Ylidene)-1-Propenyl]-1-Ethyl-3-Methyl-1H-Benzimidazolium Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and batch-to-batch consistency, meeting the stringent requirements for advanced material synthesis. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed immediately after use to minimize exposure to air and humidity.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.