Description

2-[2-[4-[(4-Ethoxyphenyl)Methylamino]Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Acetate is a specialized cationic dye belonging to the indole-based cyanine dye family, valued for its strong light absorption and fluorescence properties. This compound is engineered for applications requiring high photostability and specific spectral characteristics. It is primarily utilized by manufacturers and researchers in the advanced materials, optical recording media, and biotechnology sectors for its performance in light-sensitive systems.

Application

• Optical Data Storage: A key component in the formulation of recordable (R) optical discs (e.g., CD-R, DVD-R) as a light-absorbing layer.
• Laser Printing & Imaging: Used in photosensitive materials and toners for high-resolution digital printing applications.
• Non-Linear Optics (NLO): Serves as an organic chromophore in the development of materials for photonic devices and optical limiters.
• Biomedical Staining & Labeling: Potential use as a fluorescent probe or stain in cellular imaging and diagnostic assays due to its indole-based structure.
• Dye-Sensitized Solar Cells (DSSC): Investigated for use as a photosensitizer to enhance light harvesting efficiency.
• Security Inks & Anti-Counterfeiting: Employed in the production of specialized inks that exhibit unique optical properties under specific light conditions.

Basic Information

Product Name	2-[2-[4-[(4-Ethoxyphenyl)Methylamino]Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Acetate
CAS No.	72970-75-3
Molecular Formula	C30H34N2O3
Molecular Weight	470.60 g/mol
Synonyms	2-[2-[4-[(4-Ethoxyphenyl)methylamino]phenyl]ethenyl]-1,3,3-trimethyl-3H-indolium acetate; Cyanine dye 72970-75-3; 1,3,3-Trimethyl-2-[2-[4-[(4-ethoxyphenyl)methylamino]phenyl]vinyl]-3H-indolium acetate; (2-[2-[4-[(4-Ethoxyphenyl)methylamino]phenyl]vinyl]-1,3,3-trimethylindolin-1-ium acetate); Optical Recording Dye; Indolium Cyanine Dye; NK 5294 (potential trade name); 4-[(4-Ethoxyphenyl)methylamino]benzylidene Indoline Dye Acetate Salt
EINECS	Contact for details

Quality Control

Our production of this specialty dye adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and UV-Vis spectroscopy to confirm identity, purity, and spectral properties. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The container should be kept in a well-ventilated area away from incompatible materials. Minimize exposure to air and moisture to maintain product integrity.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
UV-Vis Absorption (λmax)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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