Description

2-[2-[4-[(2-Chloroethyl)Methylamino] Phenyl] Ethenyl]-1,3,3-Trimethyl-3H-Indolium is a specialized cationic dye intermediate belonging to the cyanine dye family. This compound is valued for its strong light-absorbing properties and its role as a key precursor in synthesizing advanced functional dyes. It is primarily sought by manufacturers in the photographic, optical data storage, and biomedical imaging sectors for developing high-performance photosensitizers and labeling agents.

Application

• Photosensitizer Synthesis: A critical building block for creating cyanine dyes used in photographic films, optical discs (CD-R, DVD-R), and laser printing materials.
• Biomedical Imaging Probes: Used in the development of fluorescent labels and contrast agents for in vitro diagnostics and cellular imaging applications.
• Non-Linear Optical (NLO) Materials: Serves as a precursor for dyes with applications in photonics, optical limiting, and laser technology.
• Sensitizing Dyes for Solar Cells: Employed in research and production of dye-sensitized solar cells (DSSCs) to enhance light-harvesting efficiency.
• Analytical Chemistry Reagents: Used in the formulation of specific stains and indicators for biochemical assays.

Basic Information

Item	Details
Product Name	2-[2-[4-[(2-Chloroethyl)Methylamino] Phenyl] Ethenyl]-1,3,3-Trimethyl-3H-Indolium
CAS No.	41261-03-4
Molecular Formula	C22H26ClN2+
Molecular Weight	353.91 g/mol
Synonyms	1,3,3-Trimethyl-2-[2-[4-[(2-chloroethyl)methylamino]phenyl]ethenyl]-3H-indolium; 2-[2-[4-[(2-Chloroethyl)methylamino]phenyl]vinyl]-1,3,3-trimethyl-3H-indolium; Cyanine dye intermediate 41261-03-4; Cationic indolium dye precursor; [4-[(2-Chloroethyl)methylamino]styryl]-1,3,3-trimethylindolium; Stains-All component; Heptamethine cyanine dye precursor
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Each batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure structural integrity and purity. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your R&D or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (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.