Description

3H-Indolium, 1-Ethyl-3,3- Dimethyl-2-[2-(Phenylamino)Ethenyl]-5-Sulfo, Inner Salt is a specialized indolium-based dye intermediate and functional chemical. This compound matters for its role as a key precursor in synthesizing advanced colorants and functional materials with specific optical and electronic properties. It is primarily needed by manufacturers in the dye and pigment, specialty chemical, and advanced material research sectors. The CAS number for this product is 146368-09-4.

Application

• Dye and Pigment Synthesis: A critical intermediate for producing cyanine dyes, NIR (Near-Infrared) dyes, and other functional colorants.
• Laser and Optical Applications: Used in the development of materials for laser dyes, optical filters, and non-linear optics due to its specific chromophore structure.
• Biomedical Imaging: Serves as a building block for synthesizing fluorescent probes and markers used in bio-imaging and diagnostic assays.
• Photovoltaic and Electronics: Potential application in the research and development of organic photovoltaics (OPV) and dye-sensitized solar cells (DSSC).
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic and spectroscopic analysis methods.
• Specialty Chemical Research: Employed in academic and industrial R&D for creating novel compounds with tailored photophysical properties.

Basic Information

Product Name	3H-Indolium, 1-Ethyl-3,3- Dimethyl-2-[2-(Phenylamino)Ethenyl]-5-Sulfo, Inner Salt
CAS No.	146368-09-4
Molecular Formula	C21H24N2O3S
Molecular Weight	384.49 g/mol
Synonyms	1-Ethyl-3,3-dimethyl-2-[(E)-2-(phenylamino)ethenyl]-3H-indolium-5-sulfonate; 1-Ethyl-3,3-dimethyl-2-[2-(phenylamino)vinyl]-3H-indol-5-ium-5-sulfonate; Cyanine dye intermediate; Indolium salt; Inner salt of indolium sulfonate; (E)-1-Ethyl-3,3-dimethyl-2-(2-(phenylamino)vinyl)-3H-indol-5-ium-5-sulfonate; 146368-09-4
EINECS	Contact for details

Quality Control

Our 3H-Indolium, 1-Ethyl-3,3- Dimethyl-2-[2-(Phenylamino)Ethenyl]-5-Sulfo, Inner Salt is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical characteristics are provided with every shipment to guarantee compliance with your research and manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark green to brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.