Description

5-Chloro-2-[2-[4-[(2-Cyanoethyl)Methylamino]Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Chloride is a specialized indolium-based dye intermediate with significant commercial and research value. This compound is prized for its strong chromophore and functional groups that make it a versatile precursor for advanced colorants and functional materials. It is primarily sought after by manufacturers and R&D teams in the photographic, laser dye, and specialty polymer industries for developing high-performance optical and imaging products.

Application

• Laser Dye Synthesis: A key intermediate for the production of cyanine and polymethine laser dyes used in tunable dye lasers and optical amplifiers.
• Photographic Sensitizers: Utilized in the formulation of spectral sensitizers for silver halide photographic films and papers to enhance light absorption.
• Non-Linear Optical (NLO) Materials: Serves as a building block for organic materials with applications in photonics, optical switching, and data storage.
• Biomedical Imaging Probes: Used in the research and development of near-infrared (NIR) fluorescent probes and labels for bio-imaging and diagnostics.
• Specialty Polymer Modification: Incorporated into polymer chains to impart specific light-absorbing or charge-transfer properties for advanced coatings and films.
• OLED and Display Technology: Investigated as a potential dopant or host material in the development of organic light-emitting diodes (OLEDs) for displays and lighting.

Basic Information

Product Name	5-Chloro-2-[2-[4-[(2-Cyanoethyl)Methylamino]Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Chloride
CAS No.	27564-02-9
Molecular Formula	C23H25ClN3 • Cl
Molecular Weight	422.37 g/mol
Synonyms	5-Chloro-2-[2-[4-[(2-cyanoethyl)methylamino]phenyl]ethenyl]-1,3,3-trimethyl-3H-indolium chloride; 1,3,3-Trimethyl-2-[2-[4-[(2-cyanoethyl)methylamino]phenyl]ethenyl]-5-chloro-3H-indolium chloride; Cyanine dye intermediate; Indolium cyanine dye precursor; 5-Chloro-1,3,3-trimethyl-2-[2-[4-(N-methyl-N-2-cyanoethylamino)phenyl]vinyl]indolium chloride; NK-2016 (potential research code); Heptamethine cyanine dye derivative
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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 a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Area %)
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.