Description

1-Ethyl-2-[(3-Methyl-3H-Benzothiazol-2-Ylidene)Methyl]Quinolinium Toluene-p-Sulphonate is a specialized organic salt belonging to the cyanine dye family, valued for its unique photophysical properties. This compound serves as a critical functional material in advanced research and high-tech manufacturing processes. It is primarily sought after by R&D laboratories and industrial producers in the photonics, imaging, and specialty chemical sectors.

Application

• Optical Sensitizer: Used in the formulation of photographic emulsions and photoconductive materials.
• Laser Dye Intermediate: Acts as a precursor or active component in the synthesis of tunable laser dyes.
• Non-Linear Optical (NLO) Materials: Employed in research for developing materials with second-harmonic generation (SHG) and other NLO properties.
• Biomedical Imaging Probes: Investigated for use as a fluorescent tag or contrast agent in cellular and molecular imaging applications.
• Organic Semiconductor Research: Serves as a model compound or dopant in the study of charge transport in organic electronic devices.
• Analytical Chemistry Reagent: Utilized as a specific stain or indicator in spectroscopic and chromatographic methods.

Basic Information

Product Name	1-Ethyl-2-[(3-Methyl-3H-Benzothiazol-2-Ylidene)Methyl]Quinolinium Toluene-p-Sulphonate
CAS No.	55479-14-6
Molecular Formula	C27H26N2O3S2
Molecular Weight	490.63 g/mol
Synonyms	Quinolinium, 1-ethyl-2-[(3-methyl-2(3H)-benzothiazolylidene)methyl]-, salt with 4-methylbenzenesulfonic acid (1:1); 2-[(E)-2-(1-Ethylquinolin-1-ium-2-yl)vinyl]-3-methyl-1,3-benzothiazol-3-ium 4-methylbenzenesulfonate; Cyanine dye intermediate; Quinolinium cyanine dye salt; Toluene-4-sulfonic acid 1-ethyl-2-[(E)-(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolinium salt
EINECS	Contact for details

Quality Control

Our production of 1-Ethyl-2-[(3-Methyl-3H-Benzothiazol-2-Ylidene)Methyl]Quinolinium Toluene-p-Sulphonate adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and undergoes rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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